Subtract 30/56 from 5/28
5/28 - 30/56 is -5/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
5/28 = 5 × 2/28 × 2 = 10/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
30/56 = 30 × 1/56 × 1 = 30/56 - Subtract the two like fractions:
10/56 - 30/56 = 10 - 30/56 = -20/56 - After reducing the fraction, the answer is -5/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/28-30/56 5/28-60/56 5/56-30/56 15/28-30/56 5/28-90/56 5/84-30/56 25/28-30/56 35/28-30/56