Subtract 90/80 from 6/60
1st number: 6/60, 2nd number: 1 10/80
6/60 - 90/80 is -41/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
6/60 = 6 × 4/60 × 4 = 24/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
90/80 = 90 × 3/80 × 3 = 270/240 - Subtract the two like fractions:
24/240 - 270/240 = 24 - 270/240 = -246/240 - After reducing the fraction, the answer is -41/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/60-90/80 18/60-90/80 30/60-90/80 42/60-90/80