Subtract 40/18 from 18/14
1st number: 1 4/14, 2nd number: 2 4/18
18/14 - 40/18 is -59/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
18/14 = 18 × 9/14 × 9 = 162/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
40/18 = 40 × 7/18 × 7 = 280/126 - Subtract the two like fractions:
162/126 - 280/126 = 162 - 280/126 = -118/126 - After reducing the fraction, the answer is -59/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/14-40/18 18/14-80/18 18/28-40/18 18/14-40/36 54/14-40/18 18/42-40/18 18/14-40/54 90/14-40/18 18/70-40/18 18/14-40/90 18/98-40/18