Subtract 20/9 from 18/14
1st number: 1 4/14, 2nd number: 2 2/9
18/14 - 20/9 is -59/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 9 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 9 × 14 = 126,
20/9 = 20 × 14/9 × 14 = 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: 36/14-20/9 18/14-40/9 18/28-20/9 18/14-20/18 54/14-20/9 18/14-60/9 18/42-20/9 18/14-20/27 90/14-20/9 18/70-20/9 18/14-20/45 18/98-20/9 18/14-20/63