Add 21/49 and 21/18, Solve 21/49 + 1 3/18 as a fraction

Add 21/49 and 21/18

1^st number: 21/49, 2^nd number: 1 3/18

21/49 + 21/18 is 67/42.

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,
21/18 = 21 × 49/18 × 49 = 1029/882
Add the two like fractions:
378/882 + 1029/882 = 378 + 1029/882 = 1407/882
1407/882 simplified gives 67/42
So, 21/49 + 21/18 = 67/42
In mixed form: 125/42

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