Subtract 2/20 from 72/35, Solve 2 2/35

Subtract 2/20 from 72/35

1^st number: 2 2/35, 2^nd number: 2/20

72/35 - 2/20 is 137/70.

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,
2/20 = 2 × 7/20 × 7 = 14/140
Subtract the two like fractions:
288/140 - 14/140 = 288 - 14/140 = 274/140
After reducing the fraction, the answer is 137/70
In mixed form: 167/70

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