Subtract 3/72 from 18/2, Solve 9 0/2

Subtract 3/72 from 18/2

1^st number: 9 0/2, 2^nd number: 3/72

18/2 - 3/72 is 215/24.

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,
18/2 = 18 × 36/2 × 36 = 648/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
3/72 = 3 × 1/72 × 1 = 3/72
Subtract the two like fractions:
648/72 - 3/72 = 648 - 3/72 = 645/72
After reducing the fraction, the answer is 215/24
In mixed form: 823/24

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