Subtract 18/72 from 75/9, Solve 8 3/9

Subtract 18/72 from 75/9

1^st number: 8 3/9, 2^nd number: 18/72

75/9 - 18/72 is 97/12.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 9 × 8 = 72,
75/9 = 75 × 8/9 × 8 = 600/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
18/72 = 18 × 1/72 × 1 = 18/72
Subtract the two like fractions:
600/72 - 18/72 = 600 - 18/72 = 582/72
After reducing the fraction, the answer is 97/12
In mixed form: 81/12

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