Subtract 32/48 from 20/35
20/35 - 32/48 is -2/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 48 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 35 × 48 = 1680,
20/35 = 20 × 48/35 × 48 = 960/1680 - Likewise, for the 2nd fraction, since 48 × 35 = 1680,
32/48 = 32 × 35/48 × 35 = 1120/1680 - Subtract the two like fractions:
960/1680 - 1120/1680 = 960 - 1120/1680 = -160/1680 - After reducing the fraction, the answer is -2/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/35-32/48 20/35-64/48 20/70-32/48 20/35-32/96 60/35-32/48 20/35-96/48