Subtract 2/15 from 28/10
1st number: 2 8/10, 2nd number: 2/15
28/10 - 2/15 is 8/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
28/10 = 28 × 3/10 × 3 = 84/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
2/15 = 2 × 2/15 × 2 = 4/30 - Subtract the two like fractions:
84/30 - 4/30 = 84 - 4/30 = 80/30 - After reducing the fraction, the answer is 8/3
- In mixed form: 22/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/10-2/15 28/10-4/15 28/20-2/15 28/10-2/30 84/10-2/15 28/10-6/15 28/30-2/15 28/10-2/45 28/10-10/15 28/50-2/15 28/10-2/75 28/10-14/15 28/70-2/15