Answers

Add 28/72 and 7/36

28/72 + 7/36 is 7/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 36 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 72 × 1 = 72,
   28/72 = 28 × 1/72 × 1 = 28/72
3. Likewise, for the 2nd fraction, since 36 × 2 = 72,
   7/36 = 7 × 2/36 × 2 = 14/72
4. Add the two like fractions:
   28/72 + 14/72 = 28 + 14/72 = 42/72
5. 42/72 simplified gives 7/12
6. So, 28/72 + 7/36 = 7/12

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