Subtract 27/36 from 84/90
84/90 - 27/36 is 11/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
84/90 = 84 × 2/90 × 2 = 168/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
27/36 = 27 × 5/36 × 5 = 135/180 - Subtract the two like fractions:
168/180 - 135/180 = 168 - 135/180 = 33/180 - After reducing the fraction, the answer is 11/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/90-54/36 84/90-27/72 84/90-81/36