Subtract 80/3 from 90/14
1st number: 6 6/14, 2nd number: 26 2/3
90/14 - 80/3 is -425/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 3 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
90/14 = 90 × 3/14 × 3 = 270/42 - Likewise, for the 2nd fraction, since 3 × 14 = 42,
80/3 = 80 × 14/3 × 14 = 1120/42 - Subtract the two like fractions:
270/42 - 1120/42 = 270 - 1120/42 = -850/42 - After reducing the fraction, the answer is -425/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28-80/3 90/14-80/6 90/42-80/3 90/14-80/9 90/70-80/3 90/14-80/15 90/98-80/3 90/14-80/21