Add 42/70 and 84/9
1st number: 42/70, 2nd number: 9 3/9
42/70 + 84/9 is 149/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
42/70 = 42 × 9/70 × 9 = 378/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
84/9 = 84 × 70/9 × 70 = 5880/630 - Add the two like fractions:
378/630 + 5880/630 = 378 + 5880/630 = 6258/630 - 6258/630 simplified gives 149/15
- So, 42/70 + 84/9 = 149/15
In mixed form: 914/15
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