Add 21/2 and 12/16
1st number: 10 1/2, 2nd number: 12/16
21/2 + 12/16 is 45/4.
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,
12/16 = 12 × 1/16 × 1 = 12/16 - Add the two like fractions:
168/16 + 12/16 = 168 + 12/16 = 180/16 - 180/16 simplified gives 45/4
- So, 21/2 + 12/16 = 45/4
In mixed form: 111/4
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