Subtract 49/32 from 20/49
1st number: 20/49, 2nd number: 1 17/32
20/49 - 49/32 is -1761/1568.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 32 is 1568
Next, find the equivalent fraction of both fractional numbers with denominator 1568 - For the 1st fraction, since 49 × 32 = 1568,
20/49 = 20 × 32/49 × 32 = 640/1568 - Likewise, for the 2nd fraction, since 32 × 49 = 1568,
49/32 = 49 × 49/32 × 49 = 2401/1568 - Subtract the two like fractions:
640/1568 - 2401/1568 = 640 - 2401/1568 = -1761/1568
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/49-49/32 20/49-98/32 20/98-49/32 20/49-49/64 60/49-49/32 20/49-49/96