Answers

Add 21/18 and 54/8

1^st number: 1 3/18, 2^nd number: 6 6/8

21/18 + 54/8 is 95/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 8 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 18 × 4 = 72,
   21/18 = 21 × 4/18 × 4 = 84/72
3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
   54/8 = 54 × 9/8 × 9 = 486/72
4. Add the two like fractions:
   84/72 + 486/72 = 84 + 486/72 = 570/72
5. 570/72 simplified gives 95/12
6. So, 21/18 + 54/8 = 95/12
   In mixed form: 711/12

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