Answers

Add 42/15 and 48/54

1^st number: 2 12/15, 2^nd number: 48/54

42/15 + 48/54 is 166/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 54 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 15 × 18 = 270,
   42/15 = 42 × 18/15 × 18 = 756/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   48/54 = 48 × 5/54 × 5 = 240/270
4. Add the two like fractions:
   756/270 + 240/270 = 756 + 240/270 = 996/270
5. 996/270 simplified gives 166/45
6. So, 42/15 + 48/54 = 166/45
   In mixed form: 331/45

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