Answers

Add 20/54 and 7/72

20/54 + 7/72 is 101/216.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 72 is 216
   
   Next, find the equivalent fraction of both fractional numbers with denominator 216
2. For the 1st fraction, since 54 × 4 = 216,
   20/54 = 20 × 4/54 × 4 = 80/216
3. Likewise, for the 2nd fraction, since 72 × 3 = 216,
   7/72 = 7 × 3/72 × 3 = 21/216
4. Add the two like fractions:
   80/216 + 21/216 = 80 + 21/216 = 101/216
5. So, 20/54 + 7/72 = 101/216

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