Subtract 2/7 from 9/80
9/80 - 2/7 is -97/560.
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,
9/80 = 9 × 7/80 × 7 = 63/560 - Likewise, for the 2nd fraction, since 7 × 80 = 560,
2/7 = 2 × 80/7 × 80 = 160/560 - Subtract the two like fractions:
63/560 - 160/560 = 63 - 160/560 = -97/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/80-2/7 9/80-4/7 9/80-2/14 27/80-2/7 9/80-6/7 9/80-2/21 45/80-2/7 9/80-10/7 9/80-2/35 63/80-2/7 9/80-14/7 9/80-2/49