Add 90/81 and 45/36
1st number: 1 9/81, 2nd number: 1 9/36
90/81 + 45/36 is 85/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 36 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 36 × 9 = 324,
45/36 = 45 × 9/36 × 9 = 405/324 - Add the two like fractions:
360/324 + 405/324 = 360 + 405/324 = 765/324 - 765/324 simplified gives 85/36
- So, 90/81 + 45/36 = 85/36
In mixed form: 213/36
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