Add 63/6 and 81/12
1st number: 10 3/6, 2nd number: 6 9/12
63/6 + 81/12 is 69/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 6 × 2 = 12,
63/6 = 63 × 2/6 × 2 = 126/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
81/12 = 81 × 1/12 × 1 = 81/12 - Add the two like fractions:
126/12 + 81/12 = 126 + 81/12 = 207/12 - 207/12 simplified gives 69/4
- So, 63/6 + 81/12 = 69/4
In mixed form: 171/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/12+81/12 63/6+81/24 63/18+81/12 63/6+81/36 63/30+81/12 63/6+81/60 63/42+81/12 63/6+81/84