Subtract 6/48 from 7/20
7/20 - 6/48 is 9/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 20 × 12 = 240,
7/20 = 7 × 12/20 × 12 = 84/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
6/48 = 6 × 5/48 × 5 = 30/240 - Subtract the two like fractions:
84/240 - 30/240 = 84 - 30/240 = 54/240 - After reducing the fraction, the answer is 9/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/20-6/48 7/20-12/48 7/40-6/48 7/20-6/96 21/20-6/48 7/20-18/48 7/60-6/48 35/20-6/48 7/20-30/48 49/20-6/48 7/20-42/48