Subtract 90/56 from 3/5
1st number: 3/5, 2nd number: 1 34/56
3/5 - 90/56 is -141/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 5 × 56 = 280,
3/5 = 3 × 56/5 × 56 = 168/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
90/56 = 90 × 5/56 × 5 = 450/280 - Subtract the two like fractions:
168/280 - 450/280 = 168 - 450/280 = -282/280 - After reducing the fraction, the answer is -141/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/5-90/56 3/10-90/56 9/5-90/56 3/15-90/56 15/5-90/56 3/25-90/56 21/5-90/56 3/35-90/56