Subtract 28/10 from 28/35
1st number: 28/35, 2nd number: 2 8/10
28/35 - 28/10 is -2/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
28/35 = 28 × 2/35 × 2 = 56/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
28/10 = 28 × 7/10 × 7 = 196/70 - Subtract the two like fractions:
56/70 - 196/70 = 56 - 196/70 = -140/70 - 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: 56/35-28/10 28/35-56/10 28/70-28/10 28/35-28/20 84/35-28/10 28/35-84/10 28/35-28/30 28/35-28/50 28/35-28/70