Add 24/18 and 21/84, Solve 1 6/18 + 21/84 as a fraction

Add 24/18 and 21/84

1^st number: 1 6/18, 2^nd number: 21/84

24/18 + 21/84 is 19/12.

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,
24/18 = 24 × 14/18 × 14 = 336/252
Likewise, for the 2nd fraction, since 84 × 3 = 252,
21/84 = 21 × 3/84 × 3 = 63/252
Add the two like fractions:
336/252 + 63/252 = 336 + 63/252 = 399/252
399/252 simplified gives 19/12
So, 24/18 + 21/84 = 19/12
In mixed form: 17/12

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