Subtract 12/8 from 28/10
1st number: 2 8/10, 2nd number: 1 4/8
28/10 - 12/8 is 13/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
28/10 = 28 × 4/10 × 4 = 112/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
12/8 = 12 × 5/8 × 5 = 60/40 - Subtract the two like fractions:
112/40 - 60/40 = 112 - 60/40 = 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: 56/10-12/8 28/10-24/8 28/20-12/8 28/10-12/16 84/10-12/8 28/10-36/8 28/30-12/8 28/10-12/24 28/10-60/8 28/50-12/8 28/10-12/40 28/10-84/8 28/70-12/8 28/10-12/56