Add 84/16 and 21/84
1st number: 5 4/16, 2nd number: 21/84
84/16 + 21/84 is 11/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 84 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
84/16 = 84 × 21/16 × 21 = 1764/336 - Likewise, for the 2nd fraction, since 84 × 4 = 336,
21/84 = 21 × 4/84 × 4 = 84/336 - Add the two like fractions:
1764/336 + 84/336 = 1764 + 84/336 = 1848/336 - 1848/336 simplified gives 11/2
- So, 84/16 + 21/84 = 11/2
In mixed form: 51/2
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