Add 35/84 and 63/9
1st number: 35/84, 2nd number: 7 0/9
35/84 + 63/9 is 89/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
35/84 = 35 × 3/84 × 3 = 105/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
63/9 = 63 × 28/9 × 28 = 1764/252 - Add the two like fractions:
105/252 + 1764/252 = 105 + 1764/252 = 1869/252 - 1869/252 simplified gives 89/12
- So, 35/84 + 63/9 = 89/12
In mixed form: 75/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/84+63/9 35/84+63/18 35/84+63/27 35/84+63/45