Subtract 18/54 from 63/36
1st number: 1 27/36, 2nd number: 18/54
63/36 - 18/54 is 17/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 36 × 3 = 108,
63/36 = 63 × 3/36 × 3 = 189/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
18/54 = 18 × 2/54 × 2 = 36/108 - Subtract the two like fractions:
189/108 - 36/108 = 189 - 36/108 = 153/108 - After reducing the fraction, the answer is 17/12
- In mixed form: 15/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/36-36/54 63/72-18/54 63/36-90/54