Add 21/2 and 20/36
1st number: 10 1/2, 2nd number: 20/36
21/2 + 20/36 is 199/18.
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,
20/36 = 20 × 1/36 × 1 = 20/36 - Add the two like fractions:
378/36 + 20/36 = 378 + 20/36 = 398/36 - 398/36 simplified gives 199/18
- So, 21/2 + 20/36 = 199/18
In mixed form: 111/18
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