Answers

Add 84/63 and 8/70

1^st number: 1 21/63, 2^nd number: 8/70

84/63 + 8/70 is 152/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 70 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   84/63 = 84 × 10/63 × 10 = 840/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   8/70 = 8 × 9/70 × 9 = 72/630
4. Add the two like fractions:
   840/630 + 72/630 = 840 + 72/630 = 912/630
5. 912/630 simplified gives 152/105
6. So, 84/63 + 8/70 = 152/105
   In mixed form: 147/105

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