Add 18/30 and 84/28
1st number: 18/30, 2nd number: 3 0/28
18/30 + 84/28 is 18/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
18/30 = 18 × 14/30 × 14 = 252/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
84/28 = 84 × 15/28 × 15 = 1260/420 - Add the two like fractions:
252/420 + 1260/420 = 252 + 1260/420 = 1512/420 - 1512/420 simplified gives 18/5
- So, 18/30 + 84/28 = 18/5
In mixed form: 33/5
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