Subtract 90/6 from 7/75, Solve 7/75

Subtract 90/6 from 7/75

1^st number: 7/75, 2^nd number: 15 0/6

7/75 - 90/6 is -1118/75.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 6 is 150

Next, find the equivalent fraction of both fractional numbers with denominator 150
For the 1st fraction, since 75 × 2 = 150,
7/75 = 7 × 2/75 × 2 = 14/150
Likewise, for the 2nd fraction, since 6 × 25 = 150,
90/6 = 90 × 25/6 × 25 = 2250/150
Subtract the two like fractions:
14/150 - 2250/150 = 14 - 2250/150 = -2236/150
After reducing the fraction, the answer is -1118/75

MathStep (Works offline)

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