Subtract 15/42 from 49/4, Solve 12 1/4

Subtract 15/42 from 49/4

1^st number: 12 1/4, 2^nd number: 15/42

49/4 - 15/42 is 333/28.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 4 × 21 = 84,
49/4 = 49 × 21/4 × 21 = 1029/84
Likewise, for the 2nd fraction, since 42 × 2 = 84,
15/42 = 15 × 2/42 × 2 = 30/84
Subtract the two like fractions:
1029/84 - 30/84 = 1029 - 30/84 = 999/84
After reducing the fraction, the answer is 333/28
In mixed form: 1125/28

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