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