Subtract 90/6 from 90/14
1st number: 6 6/14, 2nd number: 15 0/6
90/14 - 90/6 is -60/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 6 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 6 × 7 = 42,
90/6 = 90 × 7/6 × 7 = 630/42 - Subtract the two like fractions:
270/42 - 630/42 = 270 - 630/42 = -360/42 - After reducing the fraction, the answer is -60/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28-90/6 90/14-90/12 90/42-90/6 90/14-90/18 90/70-90/6 90/14-90/30 90/98-90/6 90/14-90/42