Subtract 1/7 from 20/48
20/48 - 1/7 is 23/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 7 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
20/48 = 20 × 7/48 × 7 = 140/336 - Likewise, for the 2nd fraction, since 7 × 48 = 336,
1/7 = 1 × 48/7 × 48 = 48/336 - Subtract the two like fractions:
140/336 - 48/336 = 140 - 48/336 = 92/336 - 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: 40/48-1/7 20/48-2/7 20/96-1/7 20/48-1/14 60/48-1/7 20/48-3/7 20/48-1/21 20/48-5/7 20/48-1/35 20/48-1/49