Answers

Add 70/54 and 15/70

1^st number: 1 16/54, 2^nd number: 15/70

70/54 + 15/70 is 571/378.

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,
   70/54 = 70 × 35/54 × 35 = 2450/1890
3. Likewise, for the 2nd fraction, since 70 × 27 = 1890,
   15/70 = 15 × 27/70 × 27 = 405/1890
4. Add the two like fractions:
   2450/1890 + 405/1890 = 2450 + 405/1890 = 2855/1890
5. 2855/1890 simplified gives 571/378
6. So, 70/54 + 15/70 = 571/378
   In mixed form: 1193/378

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