Answers

Add 70/63 and 80/30

1^st number: 1 7/63, 2^nd number: 2 20/30

70/63 + 80/30 is 34/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 30 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   70/63 = 70 × 10/63 × 10 = 700/630
3. Likewise, for the 2nd fraction, since 30 × 21 = 630,
   80/30 = 80 × 21/30 × 21 = 1680/630
4. Add the two like fractions:
   700/630 + 1680/630 = 700 + 1680/630 = 2380/630
5. 2380/630 simplified gives 34/9
6. So, 70/63 + 80/30 = 34/9
   In mixed form: 37/9

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