Answers

Add 3/54 and 75/70

1^st number: 3/54, 2^nd number: 1 5/70

3/54 + 75/70 is 71/63.

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,
   3/54 = 3 × 35/54 × 35 = 105/1890
3. Likewise, for the 2nd fraction, since 70 × 27 = 1890,
   75/70 = 75 × 27/70 × 27 = 2025/1890
4. Add the two like fractions:
   105/1890 + 2025/1890 = 105 + 2025/1890 = 2130/1890
5. 2130/1890 simplified gives 71/63
6. So, 3/54 + 75/70 = 71/63
   In mixed form: 18/63

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