Subtract 49/80 from 7/35
7/35 - 49/80 is -33/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 35 × 16 = 560,
7/35 = 7 × 16/35 × 16 = 112/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
49/80 = 49 × 7/80 × 7 = 343/560 - Subtract the two like fractions:
112/560 - 343/560 = 112 - 343/560 = -231/560 - After reducing the fraction, the answer is -33/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/35-49/80 7/35-98/80 7/70-49/80 21/35-49/80 49/35-49/80