Subtract 25/42 from 12/4, Solve 3 0/4

Subtract 25/42 from 12/4

1^st number: 3 0/4, 2^nd number: 25/42

12/4 - 25/42 is 101/42.

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,
12/4 = 12 × 21/4 × 21 = 252/84
Likewise, for the 2nd fraction, since 42 × 2 = 84,
25/42 = 25 × 2/42 × 2 = 50/84
Subtract the two like fractions:
252/84 - 50/84 = 252 - 50/84 = 202/84
After reducing the fraction, the answer is 101/42
In mixed form: 217/42

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