Subtract 4/14 from 7/80
7/80 - 4/14 is -111/560.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 14 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
7/80 = 7 × 7/80 × 7 = 49/560 - Likewise, for the 2nd fraction, since 14 × 40 = 560,
4/14 = 4 × 40/14 × 40 = 160/560 - Subtract the two like fractions:
49/560 - 160/560 = 49 - 160/560 = -111/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/80-4/14 7/80-8/14 7/80-4/28 21/80-4/14 7/80-12/14 7/80-4/42 35/80-4/14 7/80-20/14 7/80-4/70 49/80-4/14 7/80-28/14 7/80-4/98