Subtract 42/27 from 28/10
1st number: 2 8/10, 2nd number: 1 15/27
28/10 - 42/27 is 56/45.
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,
42/27 = 42 × 10/27 × 10 = 420/270 - Subtract the two like fractions:
756/270 - 420/270 = 756 - 420/270 = 336/270 - After reducing the fraction, the answer is 56/45
- In mixed form: 111/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/10-42/27 28/10-84/27 28/20-42/27 28/10-42/54 84/10-42/27 28/30-42/27 28/10-42/81 28/50-42/27 28/70-42/27