Add 84/24 and 81/30
1st number: 3 12/24, 2nd number: 2 21/30
84/24 + 81/30 is 31/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
84/24 = 84 × 5/24 × 5 = 420/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
81/30 = 81 × 4/30 × 4 = 324/120 - Add the two like fractions:
420/120 + 324/120 = 420 + 324/120 = 744/120 - 744/120 simplified gives 31/5
- So, 84/24 + 81/30 = 31/5
In mixed form: 61/5
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