Add 84/14 and 21/12
1st number: 6 0/14, 2nd number: 1 9/12
84/14 + 21/12 is 31/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
84/14 = 84 × 6/14 × 6 = 504/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
21/12 = 21 × 7/12 × 7 = 147/84 - Add the two like fractions:
504/84 + 147/84 = 504 + 147/84 = 651/84 - 651/84 simplified gives 31/4
- So, 84/14 + 21/12 = 31/4
In mixed form: 73/4
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