Subtract 7/40 from 10/2
1st number: 5 0/2, 2nd number: 7/40
10/2 - 7/40 is 193/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 2 × 20 = 40,
10/2 = 10 × 20/2 × 20 = 200/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
7/40 = 7 × 1/40 × 1 = 7/40 - Subtract the two like fractions:
200/40 - 7/40 = 200 - 7/40 = 193/40 - In mixed form: 433/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/2-7/40 10/2-14/40 10/4-7/40 10/2-7/80 30/2-7/40 10/2-21/40 10/6-7/40 50/2-7/40 10/2-35/40 70/2-7/40 10/2-49/40 10/14-7/40