Subtract 12/18 from 63/3
1st number: 21 0/3, 2nd number: 12/18
63/3 - 12/18 is 61/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 3 × 6 = 18,
63/3 = 63 × 6/3 × 6 = 378/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
12/18 = 12 × 1/18 × 1 = 12/18 - Subtract the two like fractions:
378/18 - 12/18 = 378 - 12/18 = 366/18 - After reducing the fraction, the answer is 61/3
- In mixed form: 201/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/3-24/18 63/6-12/18 63/3-12/36 63/3-36/18 63/9-12/18 63/3-12/54 63/3-60/18 63/15-12/18 63/3-12/90 63/3-84/18 63/21-12/18