Subtract 7/14 from 42/2, Solve 21 0/2

Subtract 7/14 from 42/2

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

42/2 - 7/14 is 41/2.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 14 is 14

Next, find the equivalent fraction of both fractional numbers with denominator 14
For the 1st fraction, since 2 × 7 = 14,
42/2 = 42 × 7/2 × 7 = 294/14
Likewise, for the 2nd fraction, since 14 × 1 = 14,
7/14 = 7 × 1/14 × 1 = 7/14
Subtract the two like fractions:
294/14 - 7/14 = 294 - 7/14 = 287/14
After reducing the fraction, the answer is 41/2
In mixed form: 201/2

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