Subtract 5/15 from 7/2
1st number: 3 1/2, 2nd number: 5/15
7/2 - 5/15 is 19/6.
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,
5/15 = 5 × 2/15 × 2 = 10/30 - Subtract the two like fractions:
105/30 - 10/30 = 105 - 10/30 = 95/30 - After reducing the fraction, the answer is 19/6
- In mixed form: 31/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/2-5/15 7/2-10/15 7/4-5/15 7/2-5/30 21/2-5/15 7/6-5/15 7/2-5/45 35/2-5/15 7/2-25/15 7/10-5/15 7/2-5/75 49/2-5/15 7/2-35/15 7/14-5/15