Add 84/15 and 42/24
1st number: 5 9/15, 2nd number: 1 18/24
84/15 + 42/24 is 147/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
84/15 = 84 × 8/15 × 8 = 672/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
42/24 = 42 × 5/24 × 5 = 210/120 - Add the two like fractions:
672/120 + 210/120 = 672 + 210/120 = 882/120 - 882/120 simplified gives 147/20
- So, 84/15 + 42/24 = 147/20
In mixed form: 77/20
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