Subtract 21/10 from 50/4, Solve 12 2/4

Subtract 21/10 from 50/4

1^st number: 12 2/4, 2^nd number: 2 1/10

50/4 - 21/10 is 52/5.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 10 is 20

Next, find the equivalent fraction of both fractional numbers with denominator 20
For the 1st fraction, since 4 × 5 = 20,
50/4 = 50 × 5/4 × 5 = 250/20
Likewise, for the 2nd fraction, since 10 × 2 = 20,
21/10 = 21 × 2/10 × 2 = 42/20
Subtract the two like fractions:
250/20 - 42/20 = 250 - 42/20 = 208/20
After reducing the fraction, the answer is 52/5
In mixed form: 102/5

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