Add 45/28 and 63/84
1st number: 1 17/28, 2nd number: 63/84
45/28 + 63/84 is 33/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
45/28 = 45 × 3/28 × 3 = 135/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
63/84 = 63 × 1/84 × 1 = 63/84 - Add the two like fractions:
135/84 + 63/84 = 135 + 63/84 = 198/84 - 198/84 simplified gives 33/14
- So, 45/28 + 63/84 = 33/14
In mixed form: 25/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+63/84 45/56+63/84 45/84+63/84