Subtract 7/10 from 40/25
1st number: 1 15/25, 2nd number: 7/10
40/25 - 7/10 is 9/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 10 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 25 × 2 = 50,
40/25 = 40 × 2/25 × 2 = 80/50 - Likewise, for the 2nd fraction, since 10 × 5 = 50,
7/10 = 7 × 5/10 × 5 = 35/50 - Subtract the two like fractions:
80/50 - 35/50 = 80 - 35/50 = 45/50 - After reducing the fraction, the answer is 9/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/25-7/10 40/25-14/10 40/50-7/10 40/25-7/20 40/25-21/10 40/75-7/10 40/25-7/30 40/25-35/10 40/25-7/50 40/25-49/10 40/25-7/70