Subtract 18/36 from 72/35, Solve 2 2/35

Subtract 18/36 from 72/35

1^st number: 2 2/35, 2^nd number: 18/36

72/35 - 18/36 is 109/70.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 36 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 35 × 36 = 1260,
72/35 = 72 × 36/35 × 36 = 2592/1260
Likewise, for the 2nd fraction, since 36 × 35 = 1260,
18/36 = 18 × 35/36 × 35 = 630/1260
Subtract the two like fractions:
2592/1260 - 630/1260 = 2592 - 630/1260 = 1962/1260
After reducing the fraction, the answer is 109/70
In mixed form: 139/70

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