Answers

Add 90/8 and 60/42

1^st number: 11 2/8, 2^nd number: 1 18/42

90/8 + 60/42 is 355/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 42 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 8 × 21 = 168,
   90/8 = 90 × 21/8 × 21 = 1890/168
3. Likewise, for the 2nd fraction, since 42 × 4 = 168,
   60/42 = 60 × 4/42 × 4 = 240/168
4. Add the two like fractions:
   1890/168 + 240/168 = 1890 + 240/168 = 2130/168
5. 2130/168 simplified gives 355/28
6. So, 90/8 + 60/42 = 355/28
   In mixed form: 1219/28

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