Answers

Add 84/54 and 15/8

1^st number: 1 30/54, 2^nd number: 1 7/8

84/54 + 15/8 is 247/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 8 is 216
   
   Next, find the equivalent fraction of both fractional numbers with denominator 216
2. For the 1st fraction, since 54 × 4 = 216,
   84/54 = 84 × 4/54 × 4 = 336/216
3. Likewise, for the 2nd fraction, since 8 × 27 = 216,
   15/8 = 15 × 27/8 × 27 = 405/216
4. Add the two like fractions:
   336/216 + 405/216 = 336 + 405/216 = 741/216
5. 741/216 simplified gives 247/72
6. So, 84/54 + 15/8 = 247/72
   In mixed form: 331/72

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