Add 18/36 and 21/14
1st number: 18/36, 2nd number: 1 7/14
18/36 + 21/14 is 2/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 14 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
18/36 = 18 × 7/36 × 7 = 126/252 - Likewise, for the 2nd fraction, since 14 × 18 = 252,
21/14 = 21 × 18/14 × 18 = 378/252 - Add the two like fractions:
126/252 + 378/252 = 126 + 378/252 = 504/252 - 504/252 simplified gives 2/1
- So, 18/36 + 21/14 = 2/1
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