Subtract 70/75 from 28/10
1st number: 2 8/10, 2nd number: 70/75
28/10 - 70/75 is 28/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 75 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 10 × 15 = 150,
28/10 = 28 × 15/10 × 15 = 420/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
70/75 = 70 × 2/75 × 2 = 140/150 - Subtract the two like fractions:
420/150 - 140/150 = 420 - 140/150 = 280/150 - After reducing the fraction, the answer is 28/15
- In mixed form: 113/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/10-70/75 28/20-70/75 84/10-70/75 28/30-70/75 28/50-70/75 28/70-70/75