Subtract 40/27 from 28/10
1st number: 2 8/10, 2nd number: 1 13/27
28/10 - 40/27 is 178/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 10 × 27 = 270,
28/10 = 28 × 27/10 × 27 = 756/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
40/27 = 40 × 10/27 × 10 = 400/270 - Subtract the two like fractions:
756/270 - 400/270 = 756 - 400/270 = 356/270 - After reducing the fraction, the answer is 178/135
- In mixed form: 143/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/10-40/27 28/10-80/27 28/20-40/27 28/10-40/54 84/10-40/27 28/30-40/27 28/10-40/81 28/50-40/27 28/70-40/27