Subtract 56/10 from 18/90
1st number: 18/90, 2nd number: 5 6/10
18/90 - 56/10 is -27/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
18/90 = 18 × 1/90 × 1 = 18/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
56/10 = 56 × 9/10 × 9 = 504/90 - Subtract the two like fractions:
18/90 - 504/90 = 18 - 504/90 = -486/90 - After reducing the fraction, the answer is -27/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/90-56/10 18/90-56/20 54/90-56/10 18/90-56/30 18/90-56/50 18/90-56/70