Subtract 7/40 from 80/6
1st number: 13 2/6, 2nd number: 7/40
80/6 - 7/40 is 1579/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 6 × 20 = 120,
80/6 = 80 × 20/6 × 20 = 1600/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
7/40 = 7 × 3/40 × 3 = 21/120 - Subtract the two like fractions:
1600/120 - 21/120 = 1600 - 21/120 = 1579/120 - In mixed form: 1319/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/6-14/40 80/12-7/40 80/6-7/80 80/6-21/40 80/18-7/40 80/6-35/40 80/30-7/40 80/6-49/40 80/42-7/40