Add 28/42 and 9/84
28/42 + 9/84 is 65/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
28/42 = 28 × 2/42 × 2 = 56/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
9/84 = 9 × 1/84 × 1 = 9/84 - Add the two like fractions:
56/84 + 9/84 = 56 + 9/84 = 65/84 - So, 28/42 + 9/84 = 65/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/42+9/84 28/42+18/84 28/84+9/84 84/42+9/84 28/42+27/84 28/42+45/84 28/42+63/84