Answers

Add 14/72 and 84/54

1^st number: 14/72, 2^nd number: 1 30/54

14/72 + 84/54 is 7/4.

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,
   14/72 = 14 × 3/72 × 3 = 42/216
3. Likewise, for the 2nd fraction, since 54 × 4 = 216,
   84/54 = 84 × 4/54 × 4 = 336/216
4. Add the two like fractions:
   42/216 + 336/216 = 42 + 336/216 = 378/216
5. 378/216 simplified gives 7/4
6. So, 14/72 + 84/54 = 7/4
   In mixed form: 13/4

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