Add 84/24 and 21/5
1st number: 3 12/24, 2nd number: 4 1/5
84/24 + 21/5 is 77/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 5 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 5 × 24 = 120,
21/5 = 21 × 24/5 × 24 = 504/120 - Add the two like fractions:
420/120 + 504/120 = 420 + 504/120 = 924/120 - 924/120 simplified gives 77/10
- So, 84/24 + 21/5 = 77/10
In mixed form: 77/10
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