Subtract 12/27 from 40/15
1st number: 2 10/15, 2nd number: 12/27
40/15 - 12/27 is 20/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
40/15 = 40 × 9/15 × 9 = 360/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
12/27 = 12 × 5/27 × 5 = 60/135 - Subtract the two like fractions:
360/135 - 60/135 = 360 - 60/135 = 300/135 - After reducing the fraction, the answer is 20/9
- In mixed form: 22/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15-12/27 40/15-24/27 40/30-12/27 40/15-12/54 40/15-36/27 40/45-12/27 40/15-12/81 40/15-60/27 40/75-12/27 40/15-84/27