Answers

Add 81/54 and 4/35

1^st number: 1 27/54, 2^nd number: 4/35

81/54 + 4/35 is 113/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 35 is 1890
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1890
2. For the 1st fraction, since 54 × 35 = 1890,
   81/54 = 81 × 35/54 × 35 = 2835/1890
3. Likewise, for the 2nd fraction, since 35 × 54 = 1890,
   4/35 = 4 × 54/35 × 54 = 216/1890
4. Add the two like fractions:
   2835/1890 + 216/1890 = 2835 + 216/1890 = 3051/1890
5. 3051/1890 simplified gives 113/70
6. So, 81/54 + 4/35 = 113/70
   In mixed form: 143/70

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