Answers

Add 90/45 and 42/5

1^st number: 2 0/45, 2^nd number: 8 2/5

90/45 + 42/5 is 52/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 5 is 45
   
   Next, find the equivalent fraction of both fractional numbers with denominator 45
2. For the 1st fraction, since 45 × 1 = 45,
   90/45 = 90 × 1/45 × 1 = 90/45
3. Likewise, for the 2nd fraction, since 5 × 9 = 45,
   42/5 = 42 × 9/5 × 9 = 378/45
4. Add the two like fractions:
   90/45 + 378/45 = 90 + 378/45 = 468/45
5. 468/45 simplified gives 52/5
6. So, 90/45 + 42/5 = 52/5
   In mixed form: 102/5

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