Add 21/49 and 8/18
21/49 + 8/18 is 55/63.
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,
8/18 = 8 × 49/18 × 49 = 392/882 - Add the two like fractions:
378/882 + 392/882 = 378 + 392/882 = 770/882 - 770/882 simplified gives 55/63
- So, 21/49 + 8/18 = 55/63
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