Subtract 63/12 from 30/3
1st number: 10 0/3, 2nd number: 5 3/12
30/3 - 63/12 is 19/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
30/3 = 30 × 4/3 × 4 = 120/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
63/12 = 63 × 1/12 × 1 = 63/12 - Subtract the two like fractions:
120/12 - 63/12 = 120 - 63/12 = 57/12 - After reducing the fraction, the answer is 19/4
- In mixed form: 43/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/3-63/12 30/6-63/12 30/3-63/24 90/3-63/12 30/9-63/12 30/3-63/36 30/15-63/12 30/3-63/60 30/21-63/12 30/3-63/84