Subtract 2/80 from 7/15
7/15 - 2/80 is 53/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
7/15 = 7 × 16/15 × 16 = 112/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
2/80 = 2 × 3/80 × 3 = 6/240 - Subtract the two like fractions:
112/240 - 6/240 = 112 - 6/240 = 106/240 - After reducing the fraction, the answer is 53/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/15-2/80 7/15-4/80 7/30-2/80 21/15-2/80 7/15-6/80 7/45-2/80 35/15-2/80 7/15-10/80 7/75-2/80 49/15-2/80 7/15-14/80