Subtract 15/14 from 10/80
1st number: 10/80, 2nd number: 1 1/14
10/80 - 15/14 is -53/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 14 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
10/80 = 10 × 7/80 × 7 = 70/560 - Likewise, for the 2nd fraction, since 14 × 40 = 560,
15/14 = 15 × 40/14 × 40 = 600/560 - Subtract the two like fractions:
70/560 - 600/560 = 70 - 600/560 = -530/560 - After reducing the fraction, the answer is -53/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/80-15/14 10/80-30/14 10/80-15/28 30/80-15/14 10/80-45/14 10/80-15/42 50/80-15/14 10/80-75/14 10/80-15/70 70/80-15/14 10/80-15/98