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1. 2 2/5 + 3 3/10 + 1/4 =2.

Berikut ini adalah pertanyaan dari kortingaja002 pada mata pelajaran Matematika untuk jenjang Sekolah Menengah Atas

1. 2 2/5 + 3 3/10 + 1/4 =2. 5 4/9 + 2 2/5 + 5/12 =
3. 3 3/4 + 3 1/6 + 1/3 =
4. 2 1/2 + 3 1/3 + 1 1/4 =
5. 2 1/5 + 2/3 + 2 1/4 =
tolong jawab pakai cara makasih

Jawaban dan Penjelasan

Berikut ini adalah pilihan jawaban terbaik dari pertanyaan diatas.

Nomor 1

$\sf \bf \sf 2 \frac{2}{5} + 3 \frac{3}{10} + \frac{1}{4}$

$\sf \bf \sf \frac{2×5+2}{5} + \frac{3×10+3}{10} + \frac{1}{4}$

$\sf \bf \£sf \frac{12}{5} + \frac{33}{10} + \frac{1}{4}$

$\sf \bf \sf \frac{12×12}{5×12} + \frac{33×6}{10 ×6 } + \frac{1×15}{4×15}$

$\sf \bf \sf \frac{144}{60} + \frac{198}{60 } + \frac{15}{60}$

$\sf \bf \sf \frac{144 + 198 + 15}{60}$

$\sf \bf \sf \frac{357}{60}$

$\sf \bf \sf \frac{357 ÷ 3}{60÷3}$

$\sf \bf \sf \frac{119}{20}$

$\bold{\underline{\boxed{\pink{\sf \bf \tt 5 \frac{19}{20}}}}}$

=======================

Nomor 2

$\sf \bf \sf 5 \frac{4}{9} + 2 \frac{2}{5} + \frac{5}{12}$

$\sf \bf \sf \frac{5×9+4}{9} + \frac{2×5+2}{5} + \frac{5}{12}$

$\sf \bf \sf \frac{49}{9} + \frac{12}{5} + \frac{5}{12}$

$\sf \bf \sf \frac{49 × 5}{9 × 5} + \frac{12 × 9}{5 × 9} + \frac{5}{12}$

$\sf \bf \sf \frac{245}{45} + \frac{108}{45} + \frac{5}{12}$

$\sf \bf \sf \frac{245 + 108}{45} + \frac{5}{12}$

$\sf \bf \sf \frac{353}{45} + \frac{5}{12}$

$\sf \bf \sf \frac{353 × 12}{45 × 12} + \frac{5 × 45}{12 × 45}$

$\sf \bf \sf \frac{4.236}{540} + \frac{225}{540}$

$\sf \bf \sf \frac{4.236 + 225}{540}$

$\sf \bf \sf \frac{4.461}{540}$

$\sf \bf \sf \frac{4.461 ÷ 3}{540 ÷ 3}$

$\sf \bf \sf \frac{1.487}{180}$

$\bold{\underline{\boxed{\pink{\sf \bf \tt 8 \frac{47}{180}}}}}$

=======================

Nomor 3

$\sf \bf \sf 3 \frac{3}{4} + 3 \frac{1}{6} + \frac{1}{3}$

$\sf \bf \sf \frac{3 × 4 +3}{4} + \frac{3×6+1}{6} + \frac{1}{3}$

$\sf \bf \sf \frac{15}{4} + \frac{19}{6} + \frac{1}{3}$

$\sf \bf \sf \frac{15 × 3}{4 × 3} + \frac{19 × 2}{6 × 2} + \frac{1 × 4}{3 × 4}$

$\sf \bf \sf \frac{45}{12} + \frac{38}{12} + \frac{4}{12}$

$\sf \bf \sf \frac{45 + 38 + 4}{12}$

$\sf \bf \sf \frac{87}{12}$

$\sf \bf \sf \frac{87 ÷ 3}{12 ÷ 3}$

$\sf \bf \sf \frac{29}{4}$

$\bold{\underline{\boxed{\pink{\sf \bf \tt 7 \frac{1}{4}}}}}$

=======================

Nomor 4

$\sf \bf \sf 2 \frac{1}{2} + 3 \frac{1}{3} + 1 \frac{1}{4}$

$\sf \bf \sf \frac{2×2+1}{2} + \frac{3×3+1}{3} + \frac{1×4+1}{4}$

$\sf \bf \sf \frac{5}{2} + \frac{10}{3} + \frac{5}{4}$

$\sf \bf \sf \frac{5 × 6}{2 × 6} + \frac{10 × 4}{3 × 4} + \frac{5 × 3}{4 × 3}$

$\sf \bf \sf \frac{30}{12} + \frac{40}{12} + \frac{15}{12}$

$\sf \bf \sf \frac{30 + 40 + 15}{12}$

$\sf \bf \sf \frac{85}{12}$

$\bold{\underline{\boxed{\pink{\sf \bf \tt 7 \frac{1}{12}}}}}$

=======================

Nomor 5

$\sf \bf \sf 2 \frac{1}{5} + \frac{2}{3} + 2 \frac{1}{4}$

$\sf \bf \sf \frac{2×5+1}{5} + \frac{2}{3} + \frac{2×4+1}{4}$

$\sf \bf \sf \frac{11}{5} + \frac{2}{3} + \frac{9}{4}$

$\sf \bf \sf \frac{11 × 12}{5 × 12} + \frac{2 × 20}{3 × 20} + \frac{9 × 15}{4 × 15}$

$\sf \bf \sf \frac{132}{60} + \frac{40}{60} + \frac{135}{60}$

$\sf \bf \sf \frac{132 + 40 + 135}{60}$

$\sf \bf \sf \frac{172+ 135}{60}$

$\sf \bf \sf \frac{307}{60}$

$\bold{\underline{\boxed{\pink{\sf \bf \tt 5 \frac{7}{60}}}}}$

#BelajarBersamaBrainly

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Last Update: Mon, 03 Apr 23

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