Answers

Add 6/12 and 9/90

6/12 + 9/90 is 3/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 12 × 15 = 180,
   6/12 = 6 × 15/12 × 15 = 90/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   9/90 = 9 × 2/90 × 2 = 18/180
4. Add the two like fractions:
   90/180 + 18/180 = 90 + 18/180 = 108/180
5. 108/180 simplified gives 3/5
6. So, 6/12 + 9/90 = 3/5

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