Subtract 28/8 from 2/10
1st number: 2/10, 2nd number: 3 4/8
2/10 - 28/8 is -33/10.
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,
2/10 = 2 × 4/10 × 4 = 8/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
28/8 = 28 × 5/8 × 5 = 140/40 - Subtract the two like fractions:
8/40 - 140/40 = 8 - 140/40 = -132/40 - After reducing the fraction, the answer is -33/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/10-28/8 2/10-56/8 2/20-28/8 2/10-28/16 6/10-28/8 2/10-84/8 2/30-28/8 2/10-28/24 2/50-28/8 2/10-28/40 14/10-28/8 2/70-28/8 2/10-28/56