Add 21/14 and 12/3
1st number: 1 7/14, 2nd number: 4 0/3
21/14 + 12/3 is 11/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 3 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
21/14 = 21 × 3/14 × 3 = 63/42 - Likewise, for the 2nd fraction, since 3 × 14 = 42,
12/3 = 12 × 14/3 × 14 = 168/42 - Add the two like fractions:
63/42 + 168/42 = 63 + 168/42 = 231/42 - 231/42 simplified gives 11/2
- So, 21/14 + 12/3 = 11/2
In mixed form: 51/2
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