Subtract 7/9 from 10/49
10/49 - 7/9 is -253/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 9 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
10/49 = 10 × 9/49 × 9 = 90/441 - Likewise, for the 2nd fraction, since 9 × 49 = 441,
7/9 = 7 × 49/9 × 49 = 343/441 - Subtract the two like fractions:
90/441 - 343/441 = 90 - 343/441 = -253/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/49-7/9 10/49-14/9 10/98-7/9 10/49-7/18 30/49-7/9 10/49-21/9 10/49-7/27 50/49-7/9 10/49-35/9 10/49-7/45 70/49-7/9 10/49-49/9 10/49-7/63