Add 21/2 and 81/36
1st number: 10 1/2, 2nd number: 2 9/36
21/2 + 81/36 is 51/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 2 × 18 = 36,
21/2 = 21 × 18/2 × 18 = 378/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
81/36 = 81 × 1/36 × 1 = 81/36 - Add the two like fractions:
378/36 + 81/36 = 378 + 81/36 = 459/36 - 459/36 simplified gives 51/4
- So, 21/2 + 81/36 = 51/4
In mixed form: 123/4
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