Add 63/3 and 42/12
1st number: 21 0/3, 2nd number: 3 6/12
63/3 + 42/12 is 49/2.
Steps for adding 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,
63/3 = 63 × 4/3 × 4 = 252/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
42/12 = 42 × 1/12 × 1 = 42/12 - Add the two like fractions:
252/12 + 42/12 = 252 + 42/12 = 294/12 - 294/12 simplified gives 49/2
- So, 63/3 + 42/12 = 49/2
In mixed form: 241/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/3+84/12 63/6+42/12 63/3+42/24 63/9+42/12 63/3+42/36 63/15+42/12 63/3+42/60 63/21+42/12 63/3+42/84