Subtract 12/75 from 25/2, Solve 12 1/2

Subtract 12/75 from 25/2

1^st number: 12 1/2, 2^nd number: 12/75

25/2 - 12/75 is 617/50.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 75 is 150

Next, find the equivalent fraction of both fractional numbers with denominator 150
For the 1st fraction, since 2 × 75 = 150,
25/2 = 25 × 75/2 × 75 = 1875/150
Likewise, for the 2nd fraction, since 75 × 2 = 150,
12/75 = 12 × 2/75 × 2 = 24/150
Subtract the two like fractions:
1875/150 - 24/150 = 1875 - 24/150 = 1851/150
After reducing the fraction, the answer is 617/50
In mixed form: 1217/50

MathStep (Works offline)

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