Subtract 9/56 from 20/80
20/80 - 9/56 is 5/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 56 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
20/80 = 20 × 7/80 × 7 = 140/560 - Likewise, for the 2nd fraction, since 56 × 10 = 560,
9/56 = 9 × 10/56 × 10 = 90/560 - Subtract the two like fractions:
140/560 - 90/560 = 140 - 90/560 = 50/560 - After reducing the fraction, the answer is 5/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/80-9/56 20/80-18/56 60/80-9/56 20/80-27/56 20/80-45/56 20/80-63/56