Subtract 70/10 from 28/75
1st number: 28/75, 2nd number: 7 0/10
28/75 - 70/10 is -497/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 10 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
28/75 = 28 × 2/75 × 2 = 56/150 - Likewise, for the 2nd fraction, since 10 × 15 = 150,
70/10 = 70 × 15/10 × 15 = 1050/150 - Subtract the two like fractions:
56/150 - 1050/150 = 56 - 1050/150 = -994/150 - After reducing the fraction, the answer is -497/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/75-70/10 28/75-70/20 84/75-70/10 28/75-70/30 28/75-70/50