Add 84/27 and 63/72
1st number: 3 3/27, 2nd number: 63/72
84/27 + 63/72 is 287/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 72 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
84/27 = 84 × 8/27 × 8 = 672/216 - Likewise, for the 2nd fraction, since 72 × 3 = 216,
63/72 = 63 × 3/72 × 3 = 189/216 - Add the two like fractions:
672/216 + 189/216 = 672 + 189/216 = 861/216 - 861/216 simplified gives 287/72
- So, 84/27 + 63/72 = 287/72
In mixed form: 371/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/54+63/72 84/81+63/72