Add 84/27 and 28/72
1st number: 3 3/27, 2nd number: 28/72
84/27 + 28/72 is 7/2.
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,
28/72 = 28 × 3/72 × 3 = 84/216 - Add the two like fractions:
672/216 + 84/216 = 672 + 84/216 = 756/216 - 756/216 simplified gives 7/2
- So, 84/27 + 28/72 = 7/2
In mixed form: 31/2
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