Answers

Add 54/16 and 81/30

1^st number: 3 6/16, 2^nd number: 2 21/30

54/16 + 81/30 is 243/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 30 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 16 × 15 = 240,
   54/16 = 54 × 15/16 × 15 = 810/240
3. Likewise, for the 2nd fraction, since 30 × 8 = 240,
   81/30 = 81 × 8/30 × 8 = 648/240
4. Add the two like fractions:
   810/240 + 648/240 = 810 + 648/240 = 1458/240
5. 1458/240 simplified gives 243/40
6. So, 54/16 + 81/30 = 243/40
   In mixed form: 63/40

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