Subtract 90/20 from 56/75
1st number: 56/75, 2nd number: 4 10/20
56/75 - 90/20 is -563/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 20 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
56/75 = 56 × 4/75 × 4 = 224/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
90/20 = 90 × 15/20 × 15 = 1350/300 - Subtract the two like fractions:
224/300 - 1350/300 = 224 - 1350/300 = -1126/300 - After reducing the fraction, the answer is -563/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/75-90/40 56/75-90/60