Add 72/35 and 18/20
1st number: 2 2/35, 2nd number: 18/20
72/35 + 18/20 is 207/70.
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,
18/20 = 18 × 7/20 × 7 = 126/140 - Add the two like fractions:
288/140 + 126/140 = 288 + 126/140 = 414/140 - 414/140 simplified gives 207/70
- So, 72/35 + 18/20 = 207/70
In mixed form: 267/70
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