Subtract 15/27 from 40/10
1st number: 4 0/10, 2nd number: 15/27
40/10 - 15/27 is 31/9.
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,
40/10 = 40 × 27/10 × 27 = 1080/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
15/27 = 15 × 10/27 × 10 = 150/270 - Subtract the two like fractions:
1080/270 - 150/270 = 1080 - 150/270 = 930/270 - After reducing the fraction, the answer is 31/9
- In mixed form: 34/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10-15/27 40/10-30/27 40/20-15/27 40/10-15/54 40/10-45/27 40/30-15/27 40/10-15/81 40/10-75/27 40/50-15/27 40/70-15/27