Add 30/2 and 42/84
1st number: 15 0/2, 2nd number: 42/84
30/2 + 42/84 is 31/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 2 × 42 = 84,
30/2 = 30 × 42/2 × 42 = 1260/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
42/84 = 42 × 1/84 × 1 = 42/84 - Add the two like fractions:
1260/84 + 42/84 = 1260 + 42/84 = 1302/84 - 1302/84 simplified gives 31/2
- So, 30/2 + 42/84 = 31/2
In mixed form: 151/2
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