Subtract 56/10 from 90/75
1st number: 1 15/75, 2nd number: 5 6/10
90/75 - 56/10 is -22/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 10 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
90/75 = 90 × 2/75 × 2 = 180/150 - Likewise, for the 2nd fraction, since 10 × 15 = 150,
56/10 = 56 × 15/10 × 15 = 840/150 - Subtract the two like fractions:
180/150 - 840/150 = 180 - 840/150 = -660/150 - After reducing the fraction, the answer is -22/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/75-56/20 90/75-56/30 90/75-56/50 90/75-56/70