Subtract 15/27 from 40/6
1st number: 6 4/6, 2nd number: 15/27
40/6 - 15/27 is 55/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 6 × 9 = 54,
40/6 = 40 × 9/6 × 9 = 360/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
15/27 = 15 × 2/27 × 2 = 30/54 - Subtract the two like fractions:
360/54 - 30/54 = 360 - 30/54 = 330/54 - After reducing the fraction, the answer is 55/9
- In mixed form: 61/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/6-15/27 40/6-30/27 40/12-15/27 40/6-15/54 40/6-45/27 40/18-15/27 40/6-15/81 40/6-75/27 40/30-15/27 40/42-15/27