Subtract 10/5 from 7/2
1st number: 3 1/2, 2nd number: 2 0/5
7/2 - 10/5 is 3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
7/2 = 7 × 5/2 × 5 = 35/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
10/5 = 10 × 2/5 × 2 = 20/10 - Subtract the two like fractions:
35/10 - 20/10 = 35 - 20/10 = 15/10 - After reducing the fraction, the answer is 3/2
- In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/2-10/5 7/2-20/5 7/4-10/5 21/2-10/5 7/2-30/5 7/6-10/5 7/2-10/15 35/2-10/5 7/2-50/5 7/10-10/5 7/2-10/25 49/2-10/5 7/2-70/5 7/14-10/5 7/2-10/35