Subtract 9/48 from 56/45
1st number: 1 11/45, 2nd number: 9/48
56/45 - 9/48 is 761/720.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
56/45 = 56 × 16/45 × 16 = 896/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
9/48 = 9 × 15/48 × 15 = 135/720 - Subtract the two like fractions:
896/720 - 135/720 = 896 - 135/720 = 761/720 - In mixed form: 141/720
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/45-18/48 56/90-9/48 56/45-9/96 56/45-27/48 56/45-45/48 56/45-63/48