Add 21/18 and 3/84, Solve 1 3/18 + 3/84 as a fraction

Add 21/18 and 3/84

1^st number: 1 3/18, 2^nd number: 3/84

21/18 + 3/84 is 101/84.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 84 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 18 × 14 = 252,
21/18 = 21 × 14/18 × 14 = 294/252
Likewise, for the 2nd fraction, since 84 × 3 = 252,
3/84 = 3 × 3/84 × 3 = 9/252
Add the two like fractions:
294/252 + 9/252 = 294 + 9/252 = 303/252
303/252 simplified gives 101/84
So, 21/18 + 3/84 = 101/84
In mixed form: 117/84

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