Subtract 48/42 from 63/2, Solve 31 1/2

Subtract 48/42 from 63/2

1^st number: 31 1/2, 2^nd number: 1 6/42

63/2 - 48/42 is 425/14.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 2 × 21 = 42,
63/2 = 63 × 21/2 × 21 = 1323/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
48/42 = 48 × 1/42 × 1 = 48/42
Subtract the two like fractions:
1323/42 - 48/42 = 1323 - 48/42 = 1275/42
After reducing the fraction, the answer is 425/14
In mixed form: 305/14

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