Add 9/84 and 45/9
1st number: 9/84, 2nd number: 5 0/9
9/84 + 45/9 is 143/28.
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,
9/84 = 9 × 3/84 × 3 = 27/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
45/9 = 45 × 28/9 × 28 = 1260/252 - Add the two like fractions:
27/252 + 1260/252 = 27 + 1260/252 = 1287/252 - 1287/252 simplified gives 143/28
- So, 9/84 + 45/9 = 143/28
In mixed form: 53/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/84+45/9 9/84+90/9 9/84+45/18 27/84+45/9 9/84+45/27 45/84+45/9 63/84+45/9 9/84+45/63