Add 21/14 and 27/18
1st number: 1 7/14, 2nd number: 1 9/18
21/14 + 27/18 is 3/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
21/14 = 21 × 9/14 × 9 = 189/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
27/18 = 27 × 7/18 × 7 = 189/126 - Add the two like fractions:
189/126 + 189/126 = 189 + 189/126 = 378/126 - 378/126 simplified gives 3/1
- So, 21/14 + 27/18 = 3/1
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