Add 49/42 and 63/12
1st number: 1 7/42, 2nd number: 5 3/12
49/42 + 63/12 is 77/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
49/42 = 49 × 2/42 × 2 = 98/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
63/12 = 63 × 7/12 × 7 = 441/84 - Add the two like fractions:
98/84 + 441/84 = 98 + 441/84 = 539/84 - 539/84 simplified gives 77/12
- So, 49/42 + 63/12 = 77/12
In mixed form: 65/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/42+63/12 49/84+63/12 49/42+63/24 49/42+63/36 49/42+63/60 49/42+63/84