Add 2/84 and 45/27
1st number: 2/84, 2nd number: 1 18/27
2/84 + 45/27 is 71/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
2/84 = 2 × 9/84 × 9 = 18/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
45/27 = 45 × 28/27 × 28 = 1260/756 - Add the two like fractions:
18/756 + 1260/756 = 18 + 1260/756 = 1278/756 - 1278/756 simplified gives 71/42
- So, 2/84 + 45/27 = 71/42
In mixed form: 129/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/84+45/27 2/84+90/27 2/84+45/54 6/84+45/27 2/84+45/81 10/84+45/27 14/84+45/27