Subtract 18/48 from 56/45
1st number: 1 11/45, 2nd number: 18/48
56/45 - 18/48 is 313/360.
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,
18/48 = 18 × 15/48 × 15 = 270/720 - Subtract the two like fractions:
896/720 - 270/720 = 896 - 270/720 = 626/720 - After reducing the fraction, the answer is 313/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/45-36/48 56/90-18/48 56/45-18/96 56/45-54/48 56/45-90/48