Subtract 6/20 from 12/8
1st number: 1 4/8, 2nd number: 6/20
12/8 - 6/20 is 6/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
12/8 = 12 × 5/8 × 5 = 60/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
6/20 = 6 × 2/20 × 2 = 12/40 - Subtract the two like fractions:
60/40 - 12/40 = 60 - 12/40 = 48/40 - After reducing the fraction, the answer is 6/5
- In mixed form: 11/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/8-6/20 12/8-12/20 12/16-6/20 12/8-6/40 36/8-6/20 12/8-18/20 12/24-6/20 12/8-6/60 60/8-6/20 12/8-30/20 12/40-6/20 84/8-6/20 12/8-42/20 12/56-6/20