Add 21/14 and 15/36
1st number: 1 7/14, 2nd number: 15/36
21/14 + 15/36 is 23/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 14 × 18 = 252,
21/14 = 21 × 18/14 × 18 = 378/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
15/36 = 15 × 7/36 × 7 = 105/252 - Add the two like fractions:
378/252 + 105/252 = 378 + 105/252 = 483/252 - 483/252 simplified gives 23/12
- So, 21/14 + 15/36 = 23/12
In mixed form: 111/12
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