Add 4/84 and 21/18, Solve 4/84 + 1 3/18 as a fraction

Add 4/84 and 21/18

1^st number: 4/84, 2^nd number: 1 3/18

4/84 + 21/18 is 17/14.

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

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 84 × 3 = 252,
4/84 = 4 × 3/84 × 3 = 12/252
Likewise, for the 2nd fraction, since 18 × 14 = 252,
21/18 = 21 × 14/18 × 14 = 294/252
Add the two like fractions:
12/252 + 294/252 = 12 + 294/252 = 306/252
306/252 simplified gives 17/14
So, 4/84 + 21/18 = 17/14
In mixed form: 13/14

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