Subtract 15/10 from 28/8
1st number: 3 4/8, 2nd number: 1 5/10
28/8 - 15/10 is 2/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
28/8 = 28 × 5/8 × 5 = 140/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
15/10 = 15 × 4/10 × 4 = 60/40 - Subtract the two like fractions:
140/40 - 60/40 = 140 - 60/40 = 80/40 - After reducing the fraction, the answer is 2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8-15/10 28/8-30/10 28/16-15/10 28/8-15/20 84/8-15/10 28/8-45/10 28/24-15/10 28/8-15/30 28/8-75/10 28/40-15/10 28/8-15/50 28/56-15/10 28/8-15/70