Subtract 84/24 from 27/90
1st number: 27/90, 2nd number: 3 12/24
27/90 - 84/24 is -16/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 24 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
27/90 = 27 × 4/90 × 4 = 108/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
84/24 = 84 × 15/24 × 15 = 1260/360 - Subtract the two like fractions:
108/360 - 1260/360 = 108 - 1260/360 = -1152/360 - After reducing the fraction, the answer is -16/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/90-84/24 27/90-84/48 81/90-84/24 27/90-84/72