Subtract 56/90 from 6/75
6/75 - 56/90 is -122/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
6/75 = 6 × 6/75 × 6 = 36/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
56/90 = 56 × 5/90 × 5 = 280/450 - Subtract the two like fractions:
36/450 - 280/450 = 36 - 280/450 = -244/450 - After reducing the fraction, the answer is -122/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/75-56/90 18/75-56/90 30/75-56/90 42/75-56/90