Answers

Add 20/72 and 98/54

1^st number: 20/72, 2^nd number: 1 44/54

20/72 + 98/54 is 113/54.

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,
   98/54 = 98 × 4/54 × 4 = 392/216
4. Add the two like fractions:
   60/216 + 392/216 = 60 + 392/216 = 452/216
5. 452/216 simplified gives 113/54
6. So, 20/72 + 98/54 = 113/54
   In mixed form: 25/54

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