Answers

Add 25/72 and 20/54

25/72 + 20/54 is 155/216.

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,
   25/72 = 25 × 3/72 × 3 = 75/216
3. Likewise, for the 2nd fraction, since 54 × 4 = 216,
   20/54 = 20 × 4/54 × 4 = 80/216
4. Add the two like fractions:
   75/216 + 80/216 = 75 + 80/216 = 155/216
5. So, 25/72 + 20/54 = 155/216

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