Add 21/2 and 84/16
1st number: 10 1/2, 2nd number: 5 4/16
21/2 + 84/16 is 63/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 2 × 8 = 16,
21/2 = 21 × 8/2 × 8 = 168/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
84/16 = 84 × 1/16 × 1 = 84/16 - Add the two like fractions:
168/16 + 84/16 = 168 + 84/16 = 252/16 - 252/16 simplified gives 63/4
- So, 21/2 + 84/16 = 63/4
In mixed form: 153/4
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