Subtract 12/80 from 2/7
2/7 - 12/80 is 19/140.
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,
12/80 = 12 × 7/80 × 7 = 84/560 - Subtract the two like fractions:
160/560 - 84/560 = 160 - 84/560 = 76/560 - After reducing the fraction, the answer is 19/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/7-12/80 2/7-24/80 2/14-12/80 6/7-12/80 2/7-36/80 2/21-12/80 10/7-12/80 2/7-60/80 2/35-12/80 14/7-12/80 2/7-84/80 2/49-12/80