Subtract 56/49 from 9/70
1st number: 9/70, 2nd number: 1 7/49
9/70 - 56/49 is -71/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
9/70 = 9 × 7/70 × 7 = 63/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
56/49 = 56 × 10/49 × 10 = 560/490 - Subtract the two like fractions:
63/490 - 560/490 = 63 - 560/490 = -497/490 - After reducing the fraction, the answer is -71/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/70-56/49 9/70-56/98 27/70-56/49 45/70-56/49 63/70-56/49