Add 45/28 and 9/84
1st number: 1 17/28, 2nd number: 9/84
45/28 + 9/84 is 12/7.
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,
9/84 = 9 × 1/84 × 1 = 9/84 - Add the two like fractions:
135/84 + 9/84 = 135 + 9/84 = 144/84 - 144/84 simplified gives 12/7
- So, 45/28 + 9/84 = 12/7
In mixed form: 15/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+9/84 45/28+18/84 45/56+9/84 45/28+27/84 45/84+9/84 45/28+45/84 45/28+63/84