Answers

Add 30/9 and 54/70

1^st number: 3 3/9, 2^nd number: 54/70

30/9 + 54/70 is 431/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 70 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 9 × 70 = 630,
   30/9 = 30 × 70/9 × 70 = 2100/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   54/70 = 54 × 9/70 × 9 = 486/630
4. Add the two like fractions:
   2100/630 + 486/630 = 2100 + 486/630 = 2586/630
5. 2586/630 simplified gives 431/105
6. So, 30/9 + 54/70 = 431/105
   In mixed form: 411/105

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