Subtract 5/42 from 75/2, Solve 37 1/2

Subtract 5/42 from 75/2

1^st number: 37 1/2, 2^nd number: 5/42

75/2 - 5/42 is 785/21.

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,
75/2 = 75 × 21/2 × 21 = 1575/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
5/42 = 5 × 1/42 × 1 = 5/42
Subtract the two like fractions:
1575/42 - 5/42 = 1575 - 5/42 = 1570/42
After reducing the fraction, the answer is 785/21
In mixed form: 378/21

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