Answers

Add 70/63 and 7/81

1^st number: 1 7/63, 2^nd number: 7/81

70/63 + 7/81 is 97/81.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 81 is 567
   
   Next, find the equivalent fraction of both fractional numbers with denominator 567
2. For the 1st fraction, since 63 × 9 = 567,
   70/63 = 70 × 9/63 × 9 = 630/567
3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
   7/81 = 7 × 7/81 × 7 = 49/567
4. Add the two like fractions:
   630/567 + 49/567 = 630 + 49/567 = 679/567
5. 679/567 simplified gives 97/81
6. So, 70/63 + 7/81 = 97/81
   In mixed form: 116/81

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