Add 42/5 and 84/90
1st number: 8 2/5, 2nd number: 84/90
42/5 + 84/90 is 28/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
42/5 = 42 × 18/5 × 18 = 756/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
84/90 = 84 × 1/90 × 1 = 84/90 - Add the two like fractions:
756/90 + 84/90 = 756 + 84/90 = 840/90 - 840/90 simplified gives 28/3
- So, 42/5 + 84/90 = 28/3
In mixed form: 91/3
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