Subtract 10/70 from 20/48
20/48 - 10/70 is 23/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 70 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 48 × 35 = 1680,
20/48 = 20 × 35/48 × 35 = 700/1680 - Likewise, for the 2nd fraction, since 70 × 24 = 1680,
10/70 = 10 × 24/70 × 24 = 240/1680 - Subtract the two like fractions:
700/1680 - 240/1680 = 700 - 240/1680 = 460/1680 - After reducing the fraction, the answer is 23/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/48-10/70 20/48-20/70 20/96-10/70 60/48-10/70 20/48-30/70 20/48-50/70