Subtract 50/9 from 20/49
1st number: 20/49, 2nd number: 5 5/9
20/49 - 50/9 is -2270/441.
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,
20/49 = 20 × 9/49 × 9 = 180/441 - Likewise, for the 2nd fraction, since 9 × 49 = 441,
50/9 = 50 × 49/9 × 49 = 2450/441 - Subtract the two like fractions:
180/441 - 2450/441 = 180 - 2450/441 = -2270/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/49-50/9 20/98-50/9 20/49-50/18 60/49-50/9 20/49-50/27 20/49-50/45 20/49-50/63