Answers

Add 81/54 and 30/70

1^st number: 1 27/54, 2^nd number: 30/70

81/54 + 30/70 is 27/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 70 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 70 × 27 = 1890,
   30/70 = 30 × 27/70 × 27 = 810/1890
4. Add the two like fractions:
   2835/1890 + 810/1890 = 2835 + 810/1890 = 3645/1890
5. 3645/1890 simplified gives 27/14
6. So, 81/54 + 30/70 = 27/14
   In mixed form: 113/14

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