Subtract 75/42 from 18/2, Solve 9 0/2

Subtract 75/42 from 18/2

1^st number: 9 0/2, 2^nd number: 1 33/42

18/2 - 75/42 is 101/14.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 2 × 21 = 42,
18/2 = 18 × 21/2 × 21 = 378/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
75/42 = 75 × 1/42 × 1 = 75/42
Subtract the two like fractions:
378/42 - 75/42 = 378 - 75/42 = 303/42
After reducing the fraction, the answer is 101/14
In mixed form: 73/14

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