Add 21/3 and 12/14
1st number: 7 0/3, 2nd number: 12/14
21/3 + 12/14 is 55/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
21/3 = 21 × 14/3 × 14 = 294/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
12/14 = 12 × 3/14 × 3 = 36/42 - Add the two like fractions:
294/42 + 36/42 = 294 + 36/42 = 330/42 - 330/42 simplified gives 55/7
- So, 21/3 + 12/14 = 55/7
In mixed form: 76/7
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