Subtract 6/72 from 9/4, Solve 2 1/4

Subtract 6/72 from 9/4

1^st number: 2 1/4, 2^nd number: 6/72

9/4 - 6/72 is 13/6.

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,
9/4 = 9 × 18/4 × 18 = 162/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
6/72 = 6 × 1/72 × 1 = 6/72
Subtract the two like fractions:
162/72 - 6/72 = 162 - 6/72 = 156/72
After reducing the fraction, the answer is 13/6
In mixed form: 21/6

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