Subtract 20/80 from 2/56
2/56 - 20/80 is -3/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 56 × 10 = 560,
2/56 = 2 × 10/56 × 10 = 20/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
20/80 = 20 × 7/80 × 7 = 140/560 - Subtract the two like fractions:
20/560 - 140/560 = 20 - 140/560 = -120/560 - After reducing the fraction, the answer is -3/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/56-20/80 2/56-40/80 6/56-20/80 2/56-60/80 10/56-20/80 14/56-20/80