Answers

Add 30/90 and 42/6

1^st number: 30/90, 2^nd number: 7 0/6

30/90 + 42/6 is 22/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 6 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   30/90 = 30 × 1/90 × 1 = 30/90
3. Likewise, for the 2nd fraction, since 6 × 15 = 90,
   42/6 = 42 × 15/6 × 15 = 630/90
4. Add the two like fractions:
   30/90 + 630/90 = 30 + 630/90 = 660/90
5. 660/90 simplified gives 22/3
6. So, 30/90 + 42/6 = 22/3
   In mixed form: 71/3

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