Subtract 80/15 from 7/2
1st number: 3 1/2, 2nd number: 5 5/15
7/2 - 80/15 is -11/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
7/2 = 7 × 15/2 × 15 = 105/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
80/15 = 80 × 2/15 × 2 = 160/30 - Subtract the two like fractions:
105/30 - 160/30 = 105 - 160/30 = -55/30 - After reducing the fraction, the answer is -11/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/2-80/15 7/4-80/15 7/2-80/30 21/2-80/15 7/6-80/15 7/2-80/45 35/2-80/15 7/10-80/15 7/2-80/75 49/2-80/15 7/14-80/15