Add 15/5 and 28/84
1st number: 3 0/5, 2nd number: 28/84
15/5 + 28/84 is 10/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 5 × 84 = 420,
15/5 = 15 × 84/5 × 84 = 1260/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
28/84 = 28 × 5/84 × 5 = 140/420 - Add the two like fractions:
1260/420 + 140/420 = 1260 + 140/420 = 1400/420 - 1400/420 simplified gives 10/3
- So, 15/5 + 28/84 = 10/3
In mixed form: 31/3
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