Add 81/27 and 36/72
1st number: 3 0/27, 2nd number: 36/72
81/27 + 36/72 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,
81/27 = 81 × 8/27 × 8 = 648/216 - Likewise, for the 2nd fraction, since 72 × 3 = 216,
36/72 = 36 × 3/72 × 3 = 108/216 - Add the two like fractions:
648/216 + 108/216 = 648 + 108/216 = 756/216 - 756/216 simplified gives 7/2
- So, 81/27 + 36/72 = 7/2
In mixed form: 31/2
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