Add 81/36 and 54/18
1st number: 2 9/36, 2nd number: 3 0/18
81/36 + 54/18 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
81/36 = 81 × 1/36 × 1 = 81/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
54/18 = 54 × 2/18 × 2 = 108/36 - Add the two like fractions:
81/36 + 108/36 = 81 + 108/36 = 189/36 - 189/36 simplified gives 21/4
- So, 81/36 + 54/18 = 21/4
In mixed form: 51/4
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