Answers

Add 4/9 and 28/72

4/9 + 28/72 is 5/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 9 × 8 = 72,
   4/9 = 4 × 8/9 × 8 = 32/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   28/72 = 28 × 1/72 × 1 = 28/72
4. Add the two like fractions:
   32/72 + 28/72 = 32 + 28/72 = 60/72
5. 60/72 simplified gives 5/6
6. So, 4/9 + 28/72 = 5/6

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