Subtract 5/45 from 56/90
56/90 - 5/45 is 23/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
56/90 = 56 × 1/90 × 1 = 56/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
5/45 = 5 × 2/45 × 2 = 10/90 - Subtract the two like fractions:
56/90 - 10/90 = 56 - 10/90 = 46/90 - After reducing the fraction, the answer is 23/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/90-10/45 56/90-5/90 56/90-15/45 56/90-25/45 56/90-35/45