Subtract 14/15 from 42/2, Solve 21 0/2

Subtract 14/15 from 42/2

1^st number: 21 0/2, 2^nd number: 14/15

42/2 - 14/15 is 301/15.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30

Next, find the equivalent fraction of both fractional numbers with denominator 30
For the 1st fraction, since 2 × 15 = 30,
42/2 = 42 × 15/2 × 15 = 630/30
Likewise, for the 2nd fraction, since 15 × 2 = 30,
14/15 = 14 × 2/15 × 2 = 28/30
Subtract the two like fractions:
630/30 - 28/30 = 630 - 28/30 = 602/30
After reducing the fraction, the answer is 301/15
In mixed form: 201/15

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