Add 72/84 and 6/27
72/84 + 6/27 is 68/63.
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,
72/84 = 72 × 9/84 × 9 = 648/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
6/27 = 6 × 28/27 × 28 = 168/756 - Add the two like fractions:
648/756 + 168/756 = 648 + 168/756 = 816/756 - 816/756 simplified gives 68/63
- So, 72/84 + 6/27 = 68/63
In mixed form: 15/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/84+12/27 72/84+6/54 72/84+18/27 72/84+6/81 72/84+30/27 72/84+42/27