Add 12/9 and 20/35
1st number: 1 3/9, 2nd number: 20/35
12/9 + 20/35 is 40/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 9 × 35 = 315,
12/9 = 12 × 35/9 × 35 = 420/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
20/35 = 20 × 9/35 × 9 = 180/315 - Add the two like fractions:
420/315 + 180/315 = 420 + 180/315 = 600/315 - 600/315 simplified gives 40/21
- So, 12/9 + 20/35 = 40/21
In mixed form: 119/21
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