Add 84/9 and 63/7
1st number: 9 3/9, 2nd number: 9 0/7
84/9 + 63/7 is 55/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
84/9 = 84 × 7/9 × 7 = 588/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
63/7 = 63 × 9/7 × 9 = 567/63 - Add the two like fractions:
588/63 + 567/63 = 588 + 567/63 = 1155/63 - 1155/63 simplified gives 55/3
- So, 84/9 + 63/7 = 55/3
In mixed form: 181/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+63/7 84/9+63/14 84/27+63/7 84/9+63/21 84/45+63/7 84/9+63/35 84/63+63/7 84/9+63/49