Subtract 3/72 from 45/2, Solve 22 1/2

Subtract 3/72 from 45/2

1^st number: 22 1/2, 2^nd number: 3/72

45/2 - 3/72 is 539/24.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 2 × 36 = 72,
45/2 = 45 × 36/2 × 36 = 1620/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
3/72 = 3 × 1/72 × 1 = 3/72
Subtract the two like fractions:
1620/72 - 3/72 = 1620 - 3/72 = 1617/72
After reducing the fraction, the answer is 539/24
In mixed form: 2211/24

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