Subtract 56/5 from 90/36
1st number: 2 18/36, 2nd number: 11 1/5
90/36 - 56/5 is -87/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 5 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
90/36 = 90 × 5/36 × 5 = 450/180 - Likewise, for the 2nd fraction, since 5 × 36 = 180,
56/5 = 56 × 36/5 × 36 = 2016/180 - Subtract the two like fractions:
450/180 - 2016/180 = 450 - 2016/180 = -1566/180 - After reducing the fraction, the answer is -87/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/72-56/5 90/36-56/10 90/36-56/15 90/36-56/25 90/36-56/35