Subtract 70/49 from 6/9
1st number: 6/9, 2nd number: 1 21/49
6/9 - 70/49 is -16/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 9 × 49 = 441,
6/9 = 6 × 49/9 × 49 = 294/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
70/49 = 70 × 9/49 × 9 = 630/441 - Subtract the two like fractions:
294/441 - 630/441 = 294 - 630/441 = -336/441 - After reducing the fraction, the answer is -16/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/9-70/49 6/18-70/49 6/9-70/98 18/9-70/49 6/27-70/49 30/9-70/49 6/45-70/49 42/9-70/49 6/63-70/49