Subtract 90/60 from 8/14
1st number: 8/14, 2nd number: 1 30/60
8/14 - 90/60 is -13/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 14 × 30 = 420,
8/14 = 8 × 30/14 × 30 = 240/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
90/60 = 90 × 7/60 × 7 = 630/420 - Subtract the two like fractions:
240/420 - 630/420 = 240 - 630/420 = -390/420 - After reducing the fraction, the answer is -13/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/14-90/60 8/28-90/60 24/14-90/60 8/42-90/60 40/14-90/60 8/70-90/60 56/14-90/60 8/98-90/60