Subtract 21/6 from 80/8
1st number: 10 0/8, 2nd number: 3 3/6
80/8 - 21/6 is 13/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 6 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
80/8 = 80 × 3/8 × 3 = 240/24 - Likewise, for the 2nd fraction, since 6 × 4 = 24,
21/6 = 21 × 4/6 × 4 = 84/24 - Subtract the two like fractions:
240/24 - 84/24 = 240 - 84/24 = 156/24 - After reducing the fraction, the answer is 13/2
- In mixed form: 61/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/8-42/6 80/16-21/6 80/8-21/12 80/8-63/6 80/24-21/6 80/8-21/18 80/40-21/6 80/8-21/30 80/56-21/6 80/8-21/42