Answers

Add 12/72 and 6/9

12/72 + 6/9 is 5/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 9 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 72 × 1 = 72,
   12/72 = 12 × 1/72 × 1 = 12/72
3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
   6/9 = 6 × 8/9 × 8 = 48/72
4. Add the two like fractions:
   12/72 + 48/72 = 12 + 48/72 = 60/72
5. 60/72 simplified gives 5/6
6. So, 12/72 + 6/9 = 5/6

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