Subtract 56/35 from 1/72, Solve 1/72

Subtract 56/35 from 1/72

1^st number: 1/72, 2^nd number: 1 21/35

1/72 - 56/35 is -571/360.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 35 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 72 × 35 = 2520,
1/72 = 1 × 35/72 × 35 = 35/2520
Likewise, for the 2nd fraction, since 35 × 72 = 2520,
56/35 = 56 × 72/35 × 72 = 4032/2520
Subtract the two like fractions:
35/2520 - 4032/2520 = 35 - 4032/2520 = -3997/2520
After reducing the fraction, the answer is -571/360

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