Add 42/24 and 84/30
1st number: 1 18/24, 2nd number: 2 24/30
42/24 + 84/30 is 91/20.
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,
42/24 = 42 × 5/24 × 5 = 210/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
84/30 = 84 × 4/30 × 4 = 336/120 - Add the two like fractions:
210/120 + 336/120 = 210 + 336/120 = 546/120 - 546/120 simplified gives 91/20
- So, 42/24 + 84/30 = 91/20
In mixed form: 411/20
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