Subtract 8/7 from 16/80
1st number: 16/80, 2nd number: 1 1/7
16/80 - 8/7 is -33/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 7 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
16/80 = 16 × 7/80 × 7 = 112/560 - Likewise, for the 2nd fraction, since 7 × 80 = 560,
8/7 = 8 × 80/7 × 80 = 640/560 - Subtract the two like fractions:
112/560 - 640/560 = 112 - 640/560 = -528/560 - After reducing the fraction, the answer is -33/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/80-8/7 16/80-16/7 16/80-8/14 48/80-8/7 16/80-24/7 16/80-8/21 16/80-40/7 16/80-8/35 16/80-56/7 16/80-8/49