Subtract 5/90 from 56/75
56/75 - 5/90 is 311/450.
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,
56/75 = 56 × 6/75 × 6 = 336/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
5/90 = 5 × 5/90 × 5 = 25/450 - Subtract the two like fractions:
336/450 - 25/450 = 336 - 25/450 = 311/450
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/75-10/90 56/75-15/90 56/75-25/90 56/75-35/90