Answers

Add 7/72 and 9/27

7/72 + 9/27 is 31/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 27 is 216
   
   Next, find the equivalent fraction of both fractional numbers with denominator 216
2. For the 1st fraction, since 72 × 3 = 216,
   7/72 = 7 × 3/72 × 3 = 21/216
3. Likewise, for the 2nd fraction, since 27 × 8 = 216,
   9/27 = 9 × 8/27 × 8 = 72/216
4. Add the two like fractions:
   21/216 + 72/216 = 21 + 72/216 = 93/216
5. 93/216 simplified gives 31/72
6. So, 7/72 + 9/27 = 31/72

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