Answers

Add 81/70 and 14/63

1^st number: 1 11/70, 2^nd number: 14/63

81/70 + 14/63 is 869/630.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 63 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 70 × 9 = 630,
   81/70 = 81 × 9/70 × 9 = 729/630
3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
   14/63 = 14 × 10/63 × 10 = 140/630
4. Add the two like fractions:
   729/630 + 140/630 = 729 + 140/630 = 869/630
5. So, 81/70 + 14/63 = 869/630
   In mixed form: 1239/630

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