Answers

Add 30/42 and 90/56

1^st number: 30/42, 2^nd number: 1 34/56

30/42 + 90/56 is 65/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 56 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 42 × 4 = 168,
   30/42 = 30 × 4/42 × 4 = 120/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   90/56 = 90 × 3/56 × 3 = 270/168
4. Add the two like fractions:
   120/168 + 270/168 = 120 + 270/168 = 390/168
5. 390/168 simplified gives 65/28
6. So, 30/42 + 90/56 = 65/28
   In mixed form: 29/28

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