Add 84/4 and 18/12
1st number: 21 0/4, 2nd number: 1 6/12
84/4 + 18/12 is 45/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
84/4 = 84 × 3/4 × 3 = 252/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
18/12 = 18 × 1/12 × 1 = 18/12 - Add the two like fractions:
252/12 + 18/12 = 252 + 18/12 = 270/12 - 270/12 simplified gives 45/2
- So, 84/4 + 18/12 = 45/2
In mixed form: 221/2
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