Subtract 14/72 from 35/21, Solve 1 14/21

Subtract 14/72 from 35/21

1^st number: 1 14/21, 2^nd number: 14/72

35/21 - 14/72 is 53/36.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 72 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 21 × 24 = 504,
35/21 = 35 × 24/21 × 24 = 840/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
14/72 = 14 × 7/72 × 7 = 98/504
Subtract the two like fractions:
840/504 - 98/504 = 840 - 98/504 = 742/504
After reducing the fraction, the answer is 53/36
In mixed form: 117/36

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