Add 8/84 and 72/27
1st number: 8/84, 2nd number: 2 18/27
8/84 + 72/27 is 58/21.
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,
8/84 = 8 × 9/84 × 9 = 72/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
72/27 = 72 × 28/27 × 28 = 2016/756 - Add the two like fractions:
72/756 + 2016/756 = 72 + 2016/756 = 2088/756 - 2088/756 simplified gives 58/21
- So, 8/84 + 72/27 = 58/21
In mixed form: 216/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/84+72/27 8/84+72/54 24/84+72/27 8/84+72/81 40/84+72/27 56/84+72/27