Answers

Add 42/54 and 75/70

1^st number: 42/54, 2^nd number: 1 5/70

42/54 + 75/70 is 233/126.

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,
   42/54 = 42 × 35/54 × 35 = 1470/1890
3. Likewise, for the 2nd fraction, since 70 × 27 = 1890,
   75/70 = 75 × 27/70 × 27 = 2025/1890
4. Add the two like fractions:
   1470/1890 + 2025/1890 = 1470 + 2025/1890 = 3495/1890
5. 3495/1890 simplified gives 233/126
6. So, 42/54 + 75/70 = 233/126
   In mixed form: 1107/126

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