Subtract 4/21 from 50/4, Solve 12 2/4

Subtract 4/21 from 50/4

1^st number: 12 2/4, 2^nd number: 4/21

50/4 - 4/21 is 517/42.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 21 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 4 × 21 = 84,
50/4 = 50 × 21/4 × 21 = 1050/84
Likewise, for the 2nd fraction, since 21 × 4 = 84,
4/21 = 4 × 4/21 × 4 = 16/84
Subtract the two like fractions:
1050/84 - 16/84 = 1050 - 16/84 = 1034/84
After reducing the fraction, the answer is 517/42
In mixed form: 1213/42

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