Add 18/84 and 20/24
18/84 + 20/24 is 22/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
18/84 = 18 × 2/84 × 2 = 36/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
20/24 = 20 × 7/24 × 7 = 140/168 - Add the two like fractions:
36/168 + 140/168 = 36 + 140/168 = 176/168 - 176/168 simplified gives 22/21
- So, 18/84 + 20/24 = 22/21
In mixed form: 11/21
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