Add 42/18 and 21/49
1st number: 2 6/18, 2nd number: 21/49
42/18 + 21/49 is 58/21.
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,
42/18 = 42 × 49/18 × 49 = 2058/882 - Likewise, for the 2nd fraction, since 49 × 18 = 882,
21/49 = 21 × 18/49 × 18 = 378/882 - Add the two like fractions:
2058/882 + 378/882 = 2058 + 378/882 = 2436/882 - 2436/882 simplified gives 58/21
- So, 42/18 + 21/49 = 58/21
In mixed form: 216/21
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