Add 63/84 and 9/28
63/84 + 9/28 is 15/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
63/84 = 63 × 1/84 × 1 = 63/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
9/28 = 9 × 3/28 × 3 = 27/84 - Add the two like fractions:
63/84 + 27/84 = 63 + 27/84 = 90/84 - 90/84 simplified gives 15/14
- So, 63/84 + 9/28 = 15/14
In mixed form: 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/84+18/28 63/84+9/56 63/84+27/28 63/84+9/84 63/84+45/28 63/84+63/28