Subtract 45/9 from 90/14
1st number: 6 6/14, 2nd number: 5 0/9
90/14 - 45/9 is 10/7.
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,
90/14 = 90 × 9/14 × 9 = 810/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
45/9 = 45 × 14/9 × 14 = 630/126 - Subtract the two like fractions:
810/126 - 630/126 = 810 - 630/126 = 180/126 - After reducing the fraction, the answer is 10/7
- In mixed form: 13/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14-90/9 90/28-45/9 90/14-45/18 90/42-45/9 90/14-45/27 90/70-45/9 90/98-45/9 90/14-45/63