Add 27/36 and 90/81
1st number: 27/36, 2nd number: 1 9/81
27/36 + 90/81 is 67/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 36 × 9 = 324,
27/36 = 27 × 9/36 × 9 = 243/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
90/81 = 90 × 4/81 × 4 = 360/324 - Add the two like fractions:
243/324 + 360/324 = 243 + 360/324 = 603/324 - 603/324 simplified gives 67/36
- So, 27/36 + 90/81 = 67/36
In mixed form: 131/36
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