Add 21/49 and 7/18
21/49 + 7/18 is 103/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 18 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 49 × 18 = 882,
21/49 = 21 × 18/49 × 18 = 378/882 - Likewise, for the 2nd fraction, since 18 × 49 = 882,
7/18 = 7 × 49/18 × 49 = 343/882 - Add the two like fractions:
378/882 + 343/882 = 378 + 343/882 = 721/882 - 721/882 simplified gives 103/126
- So, 21/49 + 7/18 = 103/126
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