Subtract 14/27 from 40/28
1st number: 1 12/28, 2nd number: 14/27
40/28 - 14/27 is 172/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
40/28 = 40 × 27/28 × 27 = 1080/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
14/27 = 14 × 28/27 × 28 = 392/756 - Subtract the two like fractions:
1080/756 - 392/756 = 1080 - 392/756 = 688/756 - After reducing the fraction, the answer is 172/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/28-14/27 40/28-28/27 40/56-14/27 40/28-14/54 40/28-42/27 40/84-14/27 40/28-14/81 40/28-70/27 40/28-98/27