Subtract 90/80 from 6/27
1st number: 6/27, 2nd number: 1 10/80
6/27 - 90/80 is -65/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 80 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 27 × 80 = 2160,
6/27 = 6 × 80/27 × 80 = 480/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
90/80 = 90 × 27/80 × 27 = 2430/2160 - Subtract the two like fractions:
480/2160 - 2430/2160 = 480 - 2430/2160 = -1950/2160 - After reducing the fraction, the answer is -65/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/27-90/80 6/54-90/80 18/27-90/80 6/81-90/80 30/27-90/80 42/27-90/80