Answers

Add 30/90 and 60/7

1^st number: 30/90, 2^nd number: 8 4/7

30/90 + 60/7 is 187/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 7 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 90 × 7 = 630,
   30/90 = 30 × 7/90 × 7 = 210/630
3. Likewise, for the 2nd fraction, since 7 × 90 = 630,
   60/7 = 60 × 90/7 × 90 = 5400/630
4. Add the two like fractions:
   210/630 + 5400/630 = 210 + 5400/630 = 5610/630
5. 5610/630 simplified gives 187/21
6. So, 30/90 + 60/7 = 187/21
   In mixed form: 819/21

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