Add 30/84 and 42/12
1st number: 30/84, 2nd number: 3 6/12
30/84 + 42/12 is 27/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
30/84 = 30 × 1/84 × 1 = 30/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
42/12 = 42 × 7/12 × 7 = 294/84 - Add the two like fractions:
30/84 + 294/84 = 30 + 294/84 = 324/84 - 324/84 simplified gives 27/7
- So, 30/84 + 42/12 = 27/7
In mixed form: 36/7
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