Subtract 54/27 from 90/5
1st number: 18 0/5, 2nd number: 2 0/27
90/5 - 54/27 is 16/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 5 × 27 = 135,
90/5 = 90 × 27/5 × 27 = 2430/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
54/27 = 54 × 5/27 × 5 = 270/135 - Subtract the two like fractions:
2430/135 - 270/135 = 2430 - 270/135 = 2160/135 - After reducing the fraction, the answer is 16/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10-54/27 90/15-54/27 90/5-54/81 90/25-54/27 90/35-54/27