Add 42/35 and 12/9
1st number: 1 7/35, 2nd number: 1 3/9
42/35 + 12/9 is 38/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 9 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
42/35 = 42 × 9/35 × 9 = 378/315 - Likewise, for the 2nd fraction, since 9 × 35 = 315,
12/9 = 12 × 35/9 × 35 = 420/315 - Add the two like fractions:
378/315 + 420/315 = 378 + 420/315 = 798/315 - 798/315 simplified gives 38/15
- So, 42/35 + 12/9 = 38/15
In mixed form: 28/15
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