Answers

Add 40/54 and 40/15

1^st number: 40/54, 2^nd number: 2 10/15

40/54 + 40/15 is 92/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 15 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 54 × 5 = 270,
   40/54 = 40 × 5/54 × 5 = 200/270
3. Likewise, for the 2nd fraction, since 15 × 18 = 270,
   40/15 = 40 × 18/15 × 18 = 720/270
4. Add the two like fractions:
   200/270 + 720/270 = 200 + 720/270 = 920/270
5. 920/270 simplified gives 92/27
6. So, 40/54 + 40/15 = 92/27
   In mixed form: 311/27

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