Add 18/84 and 42/36
1st number: 18/84, 2nd number: 1 6/36
18/84 + 42/36 is 29/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
18/84 = 18 × 3/84 × 3 = 54/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
42/36 = 42 × 7/36 × 7 = 294/252 - Add the two like fractions:
54/252 + 294/252 = 54 + 294/252 = 348/252 - 348/252 simplified gives 29/21
- So, 18/84 + 42/36 = 29/21
In mixed form: 18/21
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