Add 90/81 and 9/4
1st number: 1 9/81, 2nd number: 2 1/4
90/81 + 9/4 is 121/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 4 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
90/81 = 90 × 4/81 × 4 = 360/324 - Likewise, for the 2nd fraction, since 4 × 81 = 324,
9/4 = 9 × 81/4 × 81 = 729/324 - Add the two like fractions:
360/324 + 729/324 = 360 + 729/324 = 1089/324 - 1089/324 simplified gives 121/36
- So, 90/81 + 9/4 = 121/36
In mixed form: 313/36
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