Answers

Add 7/42 and 90/36

1^st number: 7/42, 2^nd number: 2 18/36

7/42 + 90/36 is 8/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 36 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 42 × 6 = 252,
   7/42 = 7 × 6/42 × 6 = 42/252
3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
   90/36 = 90 × 7/36 × 7 = 630/252
4. Add the two like fractions:
   42/252 + 630/252 = 42 + 630/252 = 672/252
5. 672/252 simplified gives 8/3
6. So, 7/42 + 90/36 = 8/3
   In mixed form: 22/3

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