Subtract 70/72 from 36/4, Solve 9 0/4

Subtract 70/72 from 36/4

1^st number: 9 0/4, 2^nd number: 70/72

36/4 - 70/72 is 289/36.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 4 × 18 = 72,
36/4 = 36 × 18/4 × 18 = 648/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
70/72 = 70 × 1/72 × 1 = 70/72
Subtract the two like fractions:
648/72 - 70/72 = 648 - 70/72 = 578/72
After reducing the fraction, the answer is 289/36
In mixed form: 81/36

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