Subtract 30/56 from 4/7
4/7 - 30/56 is 1/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
4/7 = 4 × 8/7 × 8 = 32/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
30/56 = 30 × 1/56 × 1 = 30/56 - Subtract the two like fractions:
32/56 - 30/56 = 32 - 30/56 = 2/56 - After reducing the fraction, the answer is 1/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/7-30/56 4/7-60/56 4/14-30/56 12/7-30/56 4/7-90/56 4/21-30/56 20/7-30/56 4/35-30/56 28/7-30/56 4/49-30/56