Subtract 7/10 from 80/40
1st number: 2 0/40, 2nd number: 7/10
80/40 - 7/10 is 13/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
80/40 = 80 × 1/40 × 1 = 80/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
7/10 = 7 × 4/10 × 4 = 28/40 - Subtract the two like fractions:
80/40 - 28/40 = 80 - 28/40 = 52/40 - After reducing the fraction, the answer is 13/10
- In mixed form: 13/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/40-14/10 80/40-7/20 80/40-21/10 80/40-7/30 80/40-35/10 80/40-7/50 80/40-49/10 80/40-7/70