Add 84/5 and 28/84
1st number: 16 4/5, 2nd number: 28/84
84/5 + 28/84 is 257/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 84 is 420 - For the 1st fraction, since 5 × 84 = 420,
84/5 = 84 × 84/5 × 84 = 7056/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
28/84 = 28 × 5/84 × 5 = 140/420 - Add the two fractions:
7056/420 + 140/420 = 7056 + 140/420 = 7196/420 - 7196/420 simplified gives 257/15
- So, 84/5 + 28/84 = 257/15
In mixed form: 172/15
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