Add 84/28 and 27/30
1st number: 3 0/28, 2nd number: 27/30
84/28 + 27/30 is 39/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
84/28 = 84 × 15/28 × 15 = 1260/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
27/30 = 27 × 14/30 × 14 = 378/420 - Add the two like fractions:
1260/420 + 378/420 = 1260 + 378/420 = 1638/420 - 1638/420 simplified gives 39/10
- So, 84/28 + 27/30 = 39/10
In mixed form: 39/10
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