penjumlahan pecahan
5/7 + ⅓ = ...?
= x/21 + x/21
= (21 ÷ 7 × 5)/21 + (21 ÷ 3 × 1)/21
= 15/21 + 7/21
= (15 + 7)/21
= 22/21
= 1 1/21
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penjumlahan pecahan
5/7 + ⅓ = ...?
= x/21 + x/21
= (21 ÷ 7 × 5)/21 + (21 ÷ 3 × 1)/21
= 15/21 + 7/21
= (15 + 7)/21
= 22/21
= 1 1/21
Verified answer
Ans:5/7 + 1/3 =(15+7)/21 ---> samakan penyebut
kemudian sederhanakan,
22/21 = 1 1/21