Subtract 70/49 from 3/75
1st number: 3/75, 2nd number: 1 21/49
3/75 - 70/49 is -243/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 49 is 3675
Next, find the equivalent fraction of both fractional numbers with denominator 3675 - For the 1st fraction, since 75 × 49 = 3675,
3/75 = 3 × 49/75 × 49 = 147/3675 - Likewise, for the 2nd fraction, since 49 × 75 = 3675,
70/49 = 70 × 75/49 × 75 = 5250/3675 - Subtract the two like fractions:
147/3675 - 5250/3675 = 147 - 5250/3675 = -5103/3675 - After reducing the fraction, the answer is -243/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/75-70/49 3/75-70/98 9/75-70/49 15/75-70/49 21/75-70/49