Subtract 2/7 from 45/56
45/56 - 2/7 is 29/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
45/56 = 45 × 1/56 × 1 = 45/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
2/7 = 2 × 8/7 × 8 = 16/56 - Subtract the two like fractions:
45/56 - 16/56 = 45 - 16/56 = 29/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56-2/7 45/56-4/7 45/56-2/14 45/56-6/7 45/56-2/21 45/56-10/7 45/56-2/35 45/56-14/7 45/56-2/49