Subtract 7/20 from 14/80
14/80 - 7/20 is -7/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
14/80 = 14 × 1/80 × 1 = 14/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
7/20 = 7 × 4/20 × 4 = 28/80 - Subtract the two like fractions:
14/80 - 28/80 = 14 - 28/80 = -14/80 - After reducing the fraction, the answer is -7/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/80-7/20 14/80-14/20 14/80-7/40 42/80-7/20 14/80-21/20 14/80-7/60 70/80-7/20 14/80-35/20 98/80-7/20 14/80-49/20