Subtract 75/9 from 20/14
1st number: 1 6/14, 2nd number: 8 3/9
20/14 - 75/9 is -145/21.
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,
20/14 = 20 × 9/14 × 9 = 180/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
75/9 = 75 × 14/9 × 14 = 1050/126 - Subtract the two like fractions:
180/126 - 1050/126 = 180 - 1050/126 = -870/126 - After reducing the fraction, the answer is -145/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14-75/9 20/28-75/9 20/14-75/18 60/14-75/9 20/42-75/9 20/14-75/27 20/70-75/9 20/14-75/45 20/98-75/9 20/14-75/63