Answers

Add 24/70 and 63/54

1^st number: 24/70, 2^nd number: 1 9/54

24/70 + 63/54 is 317/210.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 54 is 1890
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1890
2. For the 1st fraction, since 70 × 27 = 1890,
   24/70 = 24 × 27/70 × 27 = 648/1890
3. Likewise, for the 2nd fraction, since 54 × 35 = 1890,
   63/54 = 63 × 35/54 × 35 = 2205/1890
4. Add the two like fractions:
   648/1890 + 2205/1890 = 648 + 2205/1890 = 2853/1890
5. 2853/1890 simplified gives 317/210
6. So, 24/70 + 63/54 = 317/210
   In mixed form: 1107/210

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