Subtract 96/21 from 75/2, Solve 37 1/2

Subtract 96/21 from 75/2

1^st number: 37 1/2, 2^nd number: 4 12/21

75/2 - 96/21 is 461/14.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 2 × 21 = 42,
75/2 = 75 × 21/2 × 21 = 1575/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
96/21 = 96 × 2/21 × 2 = 192/42
Subtract the two like fractions:
1575/42 - 192/42 = 1575 - 192/42 = 1383/42
After reducing the fraction, the answer is 461/14
In mixed form: 3213/14

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad