Answers

Add 42/45 and 50/30

1^st number: 42/45, 2^nd number: 1 20/30

42/45 + 50/30 is 13/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 30 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 45 × 2 = 90,
   42/45 = 42 × 2/45 × 2 = 84/90
3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
   50/30 = 50 × 3/30 × 3 = 150/90
4. Add the two like fractions:
   84/90 + 150/90 = 84 + 150/90 = 234/90
5. 234/90 simplified gives 13/5
6. So, 42/45 + 50/30 = 13/5
   In mixed form: 23/5

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