Subtract 21/49 from 10/9
1st number: 1 1/9, 2nd number: 21/49
10/9 - 21/49 is 43/63.
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,
10/9 = 10 × 49/9 × 49 = 490/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
21/49 = 21 × 9/49 × 9 = 189/441 - Subtract the two like fractions:
490/441 - 189/441 = 490 - 189/441 = 301/441 - After reducing the fraction, the answer is 43/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/9-21/49 10/9-42/49 10/18-21/49 10/9-21/98 30/9-21/49 10/9-63/49 10/27-21/49 50/9-21/49 10/45-21/49 70/9-21/49 10/63-21/49