Subtract 18/27 from 63/12
1st number: 5 3/12, 2nd number: 18/27
63/12 - 18/27 is 55/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
63/12 = 63 × 9/12 × 9 = 567/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
18/27 = 18 × 4/27 × 4 = 72/108 - Subtract the two like fractions:
567/108 - 72/108 = 567 - 72/108 = 495/108 - After reducing the fraction, the answer is 55/12
- In mixed form: 47/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/12-36/27 63/24-18/27 63/12-18/54 63/12-54/27 63/36-18/27 63/12-18/81 63/12-90/27 63/60-18/27 63/84-18/27