Subtract 80/6 from 27/90
1st number: 27/90, 2nd number: 13 2/6
27/90 - 80/6 is -391/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 6 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
27/90 = 27 × 1/90 × 1 = 27/90 - Likewise, for the 2nd fraction, since 6 × 15 = 90,
80/6 = 80 × 15/6 × 15 = 1200/90 - Subtract the two like fractions:
27/90 - 1200/90 = 27 - 1200/90 = -1173/90 - After reducing the fraction, the answer is -391/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/90-80/6 27/90-80/12 81/90-80/6 27/90-80/18 27/90-80/30 27/90-80/42