Subtract 28/48 from 40/28
1st number: 1 12/28, 2nd number: 28/48
40/28 - 28/48 is 71/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 28 × 12 = 336,
40/28 = 40 × 12/28 × 12 = 480/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
28/48 = 28 × 7/48 × 7 = 196/336 - Subtract the two like fractions:
480/336 - 196/336 = 480 - 196/336 = 284/336 - After reducing the fraction, the answer is 71/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/28-28/48 40/28-56/48 40/56-28/48 40/28-28/96 40/28-84/48 40/84-28/48