Add 12/3 and 21/16
1st number: 4 0/3, 2nd number: 1 5/16
12/3 + 21/16 is 85/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 16 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 3 × 16 = 48,
12/3 = 12 × 16/3 × 16 = 192/48 - Likewise, for the 2nd fraction, since 16 × 3 = 48,
21/16 = 21 × 3/16 × 3 = 63/48 - Add the two like fractions:
192/48 + 63/48 = 192 + 63/48 = 255/48 - 255/48 simplified gives 85/16
- So, 12/3 + 21/16 = 85/16
In mixed form: 55/16
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