Subtract 63/54 from 30/12
1st number: 2 6/12, 2nd number: 1 9/54
30/12 - 63/54 is 4/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
30/12 = 30 × 9/12 × 9 = 270/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
63/54 = 63 × 2/54 × 2 = 126/108 - Subtract the two like fractions:
270/108 - 126/108 = 270 - 126/108 = 144/108 - After reducing the fraction, the answer is 4/3
- In mixed form: 11/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12-63/54 30/24-63/54 90/12-63/54 30/36-63/54 30/60-63/54 30/84-63/54