Subtract 10/72 from 90/4, Solve 22 2/4

Subtract 10/72 from 90/4

1^st number: 22 2/4, 2^nd number: 10/72

90/4 - 10/72 is 805/36.

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,
90/4 = 90 × 18/4 × 18 = 1620/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
10/72 = 10 × 1/72 × 1 = 10/72
Subtract the two like fractions:
1620/72 - 10/72 = 1620 - 10/72 = 1610/72
After reducing the fraction, the answer is 805/36
In mixed form: 2213/36

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