Subtract 5/90 from 84/27
1st number: 3 3/27, 2nd number: 5/90
84/27 - 5/90 is 55/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
84/27 = 84 × 10/27 × 10 = 840/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
5/90 = 5 × 3/90 × 3 = 15/270 - Subtract the two like fractions:
840/270 - 15/270 = 840 - 15/270 = 825/270 - After reducing the fraction, the answer is 55/18
- In mixed form: 31/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/27-10/90 84/54-5/90 84/27-15/90 84/81-5/90 84/27-25/90 84/27-35/90