Add 72/35 and 56/20
1st number: 2 2/35, 2nd number: 2 16/20
72/35 + 56/20 is 34/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
72/35 = 72 × 4/35 × 4 = 288/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
56/20 = 56 × 7/20 × 7 = 392/140 - Add the two like fractions:
288/140 + 392/140 = 288 + 392/140 = 680/140 - 680/140 simplified gives 34/7
- So, 72/35 + 56/20 = 34/7
In mixed form: 46/7
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