Subtract 72/48 from 20/35
1st number: 20/35, 2nd number: 1 24/48
20/35 - 72/48 is -13/14.
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,
72/48 = 72 × 35/48 × 35 = 2520/1680 - Subtract the two like fractions:
960/1680 - 2520/1680 = 960 - 2520/1680 = -1560/1680 - After reducing the fraction, the answer is -13/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/35-72/48 20/70-72/48 20/35-72/96 60/35-72/48