Subtract 1/5 from 12/8
1st number: 1 4/8, 2nd number: 1/5
12/8 - 1/5 is 13/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 5 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 5 × 8 = 40,
1/5 = 1 × 8/5 × 8 = 8/40 - Subtract the two like fractions:
60/40 - 8/40 = 60 - 8/40 = 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: 24/8-1/5 12/8-2/5 12/16-1/5 12/8-1/10 36/8-1/5 12/8-3/5 12/24-1/5 12/8-1/15 60/8-1/5 12/40-1/5 12/8-1/25 84/8-1/5 12/8-7/5 12/56-1/5 12/8-1/35