Answers

Add 24/54 and 81/70

1^st number: 24/54, 2^nd number: 1 11/70

24/54 + 81/70 is 1009/630.

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,
   24/54 = 24 × 35/54 × 35 = 840/1890
3. Likewise, for the 2nd fraction, since 70 × 27 = 1890,
   81/70 = 81 × 27/70 × 27 = 2187/1890
4. Add the two like fractions:
   840/1890 + 2187/1890 = 840 + 2187/1890 = 3027/1890
5. 3027/1890 simplified gives 1009/630
6. So, 24/54 + 81/70 = 1009/630
   In mixed form: 1379/630

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