Add 84/12 and 21/24
1st number: 7 0/12, 2nd number: 21/24
84/12 + 21/24 is 63/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
84/12 = 84 × 2/12 × 2 = 168/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
21/24 = 21 × 1/24 × 1 = 21/24 - Add the two like fractions:
168/24 + 21/24 = 168 + 21/24 = 189/24 - 189/24 simplified gives 63/8
- So, 84/12 + 21/24 = 63/8
In mixed form: 77/8
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