Add 27/72 and 90/81
1st number: 27/72, 2nd number: 1 9/81
27/72 + 90/81 is 107/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 81 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 72 × 9 = 648,
27/72 = 27 × 9/72 × 9 = 243/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
90/81 = 90 × 8/81 × 8 = 720/648 - Add the two like fractions:
243/648 + 720/648 = 243 + 720/648 = 963/648 - 963/648 simplified gives 107/72
- So, 27/72 + 90/81 = 107/72
In mixed form: 135/72
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