Subtract 20/49 from 15/32
15/32 - 20/49 is 95/1568.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 49 is 1568
Next, find the equivalent fraction of both fractional numbers with denominator 1568 - For the 1st fraction, since 32 × 49 = 1568,
15/32 = 15 × 49/32 × 49 = 735/1568 - Likewise, for the 2nd fraction, since 49 × 32 = 1568,
20/49 = 20 × 32/49 × 32 = 640/1568 - Subtract the two like fractions:
735/1568 - 640/1568 = 735 - 640/1568 = 95/1568
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/32-20/49 15/32-40/49 15/64-20/49 15/32-20/98 45/32-20/49 15/32-60/49 15/96-20/49 75/32-20/49