Answers

Add 42/90 and 48/9

1^st number: 42/90, 2^nd number: 5 3/9

42/90 + 48/9 is 29/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 9 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   42/90 = 42 × 1/90 × 1 = 42/90
3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
   48/9 = 48 × 10/9 × 10 = 480/90
4. Add the two like fractions:
   42/90 + 480/90 = 42 + 480/90 = 522/90
5. 522/90 simplified gives 29/5
6. So, 42/90 + 48/9 = 29/5
   In mixed form: 54/5

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