Subtract 20/49 from 5/32
5/32 - 20/49 is -395/1568.
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,
5/32 = 5 × 49/32 × 49 = 245/1568 - Likewise, for the 2nd fraction, since 49 × 32 = 1568,
20/49 = 20 × 32/49 × 32 = 640/1568 - Subtract the two like fractions:
245/1568 - 640/1568 = 245 - 640/1568 = -395/1568
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/32-20/49 5/32-40/49 5/64-20/49 5/32-20/98 15/32-20/49 5/32-60/49 5/96-20/49 25/32-20/49 35/32-20/49