Subtract 40/27 from 28/48
1st number: 28/48, 2nd number: 1 13/27
28/48 - 40/27 is -97/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 27 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 48 × 9 = 432,
28/48 = 28 × 9/48 × 9 = 252/432 - Likewise, for the 2nd fraction, since 27 × 16 = 432,
40/27 = 40 × 16/27 × 16 = 640/432 - Subtract the two like fractions:
252/432 - 640/432 = 252 - 640/432 = -388/432 - After reducing the fraction, the answer is -97/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/48-40/27 28/48-80/27 28/96-40/27 28/48-40/54 84/48-40/27 28/48-40/81