Answers

Add 63/70 and 35/9

1^st number: 63/70, 2^nd number: 3 8/9

63/70 + 35/9 is 431/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 9 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 70 × 9 = 630,
   63/70 = 63 × 9/70 × 9 = 567/630
3. Likewise, for the 2nd fraction, since 9 × 70 = 630,
   35/9 = 35 × 70/9 × 70 = 2450/630
4. Add the two like fractions:
   567/630 + 2450/630 = 567 + 2450/630 = 3017/630
5. 3017/630 simplified gives 431/90
6. So, 63/70 + 35/9 = 431/90
   In mixed form: 471/90

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