Subtract 40/36 from 18/12
1st number: 1 6/12, 2nd number: 1 4/36
18/12 - 40/36 is 7/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
18/12 = 18 × 3/12 × 3 = 54/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
40/36 = 40 × 1/36 × 1 = 40/36 - Subtract the two like fractions:
54/36 - 40/36 = 54 - 40/36 = 14/36 - After reducing the fraction, the answer is 7/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/12-40/36 18/12-80/36 18/24-40/36 18/12-40/72 54/12-40/36 18/36-40/36 90/12-40/36 18/60-40/36 18/84-40/36