Add 84/2 and 21/15
1st number: 42 0/2, 2nd number: 1 6/15
84/2 + 21/15 is 217/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
84/2 = 84 × 15/2 × 15 = 1260/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
21/15 = 21 × 2/15 × 2 = 42/30 - Add the two like fractions:
1260/30 + 42/30 = 1260 + 42/30 = 1302/30 - 1302/30 simplified gives 217/5
- So, 84/2 + 21/15 = 217/5
In mixed form: 432/5
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