Answers

Add 20/72 and 7/36

20/72 + 7/36 is 17/36.

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,
   20/72 = 20 × 1/72 × 1 = 20/72
3. Likewise, for the 2nd fraction, since 36 × 2 = 72,
   7/36 = 7 × 2/36 × 2 = 14/72
4. Add the two like fractions:
   20/72 + 14/72 = 20 + 14/72 = 34/72
5. 34/72 simplified gives 17/36
6. So, 20/72 + 7/36 = 17/36

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