Subtract 9/36 from 45/24, Solve 1 21/24

Subtract 9/36 from 45/24

1^st number: 1 21/24, 2^nd number: 9/36

45/24 - 9/36 is 13/8.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 36 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 24 × 3 = 72,
45/24 = 45 × 3/24 × 3 = 135/72
Likewise, for the 2nd fraction, since 36 × 2 = 72,
9/36 = 9 × 2/36 × 2 = 18/72
Subtract the two like fractions:
135/72 - 18/72 = 135 - 18/72 = 117/72
After reducing the fraction, the answer is 13/8
In mixed form: 15/8

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