Subtract 14/20 from 12/56
12/56 - 14/20 is -17/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
12/56 = 12 × 5/56 × 5 = 60/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
14/20 = 14 × 14/20 × 14 = 196/280 - Subtract the two like fractions:
60/280 - 196/280 = 60 - 196/280 = -136/280 - After reducing the fraction, the answer is -17/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/56-14/20 12/56-28/20 12/56-14/40 36/56-14/20 12/56-42/20 12/56-14/60 60/56-14/20 12/56-70/20 84/56-14/20 12/56-98/20