Answers

Add 20/72 and 7/54

20/72 + 7/54 is 11/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 54 is 216
   
   Next, find the equivalent fraction of both fractional numbers with denominator 216
2. For the 1st fraction, since 72 × 3 = 216,
   20/72 = 20 × 3/72 × 3 = 60/216
3. Likewise, for the 2nd fraction, since 54 × 4 = 216,
   7/54 = 7 × 4/54 × 4 = 28/216
4. Add the two like fractions:
   60/216 + 28/216 = 60 + 28/216 = 88/216
5. 88/216 simplified gives 11/27
6. So, 20/72 + 7/54 = 11/27

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