Add 2/84 and 63/7
1st number: 2/84, 2nd number: 9 0/7
2/84 + 63/7 is 379/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
2/84 = 2 × 1/84 × 1 = 2/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
63/7 = 63 × 12/7 × 12 = 756/84 - Add the two like fractions:
2/84 + 756/84 = 2 + 756/84 = 758/84 - 758/84 simplified gives 379/42
- So, 2/84 + 63/7 = 379/42
In mixed form: 91/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/84+63/7 2/84+63/14 6/84+63/7 2/84+63/21 10/84+63/7 2/84+63/35 14/84+63/7 2/84+63/49