Subtract 18/12 from 63/2
1st number: 31 1/2, 2nd number: 1 6/12
63/2 - 18/12 is 30/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 2 × 6 = 12,
63/2 = 63 × 6/2 × 6 = 378/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
18/12 = 18 × 1/12 × 1 = 18/12 - Subtract the two like fractions:
378/12 - 18/12 = 378 - 18/12 = 360/12 - After reducing the fraction, the answer is 30/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/2-36/12 63/4-18/12 63/2-18/24 63/2-54/12 63/6-18/12 63/2-18/36 63/2-90/12 63/10-18/12 63/2-18/60 63/14-18/12 63/2-18/84