Subtract 9/49 from 20/9
1st number: 2 2/9, 2nd number: 9/49
20/9 - 9/49 is 899/441.
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,
20/9 = 20 × 49/9 × 49 = 980/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
9/49 = 9 × 9/49 × 9 = 81/441 - Subtract the two like fractions:
980/441 - 81/441 = 980 - 81/441 = 899/441 - In mixed form: 217/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/9-9/49 20/9-18/49 20/18-9/49 20/9-9/98 60/9-9/49 20/9-27/49 20/27-9/49 20/9-45/49 20/45-9/49 20/9-63/49 20/63-9/49