Subtract 27/60 from 54/18
1st number: 3 0/18, 2nd number: 27/60
54/18 - 27/60 is 51/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
54/18 = 54 × 10/18 × 10 = 540/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
27/60 = 27 × 3/60 × 3 = 81/180 - Subtract the two like fractions:
540/180 - 81/180 = 540 - 81/180 = 459/180 - After reducing the fraction, the answer is 51/20
- In mixed form: 211/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18-54/60 54/36-27/60 54/18-81/60 54/90-27/60