Subtract 36/80 from 2/7
2/7 - 36/80 is -23/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 7 × 80 = 560,
2/7 = 2 × 80/7 × 80 = 160/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
36/80 = 36 × 7/80 × 7 = 252/560 - Subtract the two like fractions:
160/560 - 252/560 = 160 - 252/560 = -92/560 - After reducing the fraction, the answer is -23/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/7-36/80 2/7-72/80 2/14-36/80 6/7-36/80 2/21-36/80 10/7-36/80 2/35-36/80 14/7-36/80 2/49-36/80