Add 21/14 and 84/7
1st number: 1 7/14, 2nd number: 12 0/7
21/14 + 84/7 is 27/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 14 × 1 = 14,
21/14 = 21 × 1/14 × 1 = 21/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
84/7 = 84 × 2/7 × 2 = 168/14 - Add the two like fractions:
21/14 + 168/14 = 21 + 168/14 = 189/14 - 189/14 simplified gives 27/2
- So, 21/14 + 84/7 = 27/2
In mixed form: 131/2
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