Add 90/4 and 45/81
1st number: 22 2/4, 2nd number: 45/81
90/4 + 45/81 is 415/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 4 × 81 = 324,
90/4 = 90 × 81/4 × 81 = 7290/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
45/81 = 45 × 4/81 × 4 = 180/324 - Add the two like fractions:
7290/324 + 180/324 = 7290 + 180/324 = 7470/324 - 7470/324 simplified gives 415/18
- So, 90/4 + 45/81 = 415/18
In mixed form: 231/18
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