Add 9/4 and 72/81
1st number: 2 1/4, 2nd number: 72/81
9/4 + 72/81 is 113/36.
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,
9/4 = 9 × 81/4 × 81 = 729/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
72/81 = 72 × 4/81 × 4 = 288/324 - Add the two like fractions:
729/324 + 288/324 = 729 + 288/324 = 1017/324 - 1017/324 simplified gives 113/36
- So, 9/4 + 72/81 = 113/36
In mixed form: 35/36
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