Subtract 21/14 from 63/3, Solve 21 0/3

Subtract 21/14 from 63/3

1^st number: 21 0/3, 2^nd number: 1 7/14

63/3 - 21/14 is 39/2.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 14 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 3 × 14 = 42,
63/3 = 63 × 14/3 × 14 = 882/42
Likewise, for the 2nd fraction, since 14 × 3 = 42,
21/14 = 21 × 3/14 × 3 = 63/42
Subtract the two like fractions:
882/42 - 63/42 = 882 - 63/42 = 819/42
After reducing the fraction, the answer is 39/2
In mixed form: 191/2

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