Answers

Add 90/2 and 54/42

1^st number: 45 0/2, 2^nd number: 1 12/42

90/2 + 54/42 is 324/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 42 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 2 × 21 = 42,
   90/2 = 90 × 21/2 × 21 = 1890/42
3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
   54/42 = 54 × 1/42 × 1 = 54/42
4. Add the two like fractions:
   1890/42 + 54/42 = 1890 + 54/42 = 1944/42
5. 1944/42 simplified gives 324/7
6. So, 90/2 + 54/42 = 324/7
   In mixed form: 462/7

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