Subtract 9/4 from 20/56
1st number: 20/56, 2nd number: 2 1/4
20/56 - 9/4 is -53/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 4 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
20/56 = 20 × 1/56 × 1 = 20/56 - Likewise, for the 2nd fraction, since 4 × 14 = 56,
9/4 = 9 × 14/4 × 14 = 126/56 - Subtract the two like fractions:
20/56 - 126/56 = 20 - 126/56 = -106/56 - After reducing the fraction, the answer is -53/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/56-9/4 20/56-18/4 20/56-9/8 60/56-9/4 20/56-27/4 20/56-9/12 20/56-45/4 20/56-9/20 20/56-63/4 20/56-9/28