Subtract 27/60 from 6/90
6/90 - 27/60 is -23/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
6/90 = 6 × 2/90 × 2 = 12/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
27/60 = 27 × 3/60 × 3 = 81/180 - Subtract the two like fractions:
12/180 - 81/180 = 12 - 81/180 = -69/180 - After reducing the fraction, the answer is -23/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/90-27/60 6/90-54/60 18/90-27/60 6/90-81/60 30/90-27/60 42/90-27/60