Subtract 20/56 from 45/8
1st number: 5 5/8, 2nd number: 20/56
45/8 - 20/56 is 295/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
45/8 = 45 × 7/8 × 7 = 315/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
20/56 = 20 × 1/56 × 1 = 20/56 - Subtract the two like fractions:
315/56 - 20/56 = 315 - 20/56 = 295/56 - In mixed form: 515/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8-20/56 45/8-40/56 45/16-20/56 45/8-60/56 45/24-20/56 45/40-20/56 45/56-20/56