Subtract 90/9 from 4/14
1st number: 4/14, 2nd number: 10 0/9
4/14 - 90/9 is -68/7.
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,
4/14 = 4 × 9/14 × 9 = 36/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
90/9 = 90 × 14/9 × 14 = 1260/126 - Subtract the two like fractions:
36/126 - 1260/126 = 36 - 1260/126 = -1224/126 - After reducing the fraction, the answer is -68/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/14-90/9 4/28-90/9 4/14-90/18 12/14-90/9 4/42-90/9 4/14-90/27 20/14-90/9 4/70-90/9 4/14-90/45 28/14-90/9 4/98-90/9 4/14-90/63