Answers

Add 42/20 and 80/75

1^st number: 2 2/20, 2^nd number: 1 5/75

42/20 + 80/75 is 19/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 75 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 20 × 15 = 300,
   42/20 = 42 × 15/20 × 15 = 630/300
3. Likewise, for the 2nd fraction, since 75 × 4 = 300,
   80/75 = 80 × 4/75 × 4 = 320/300
4. Add the two like fractions:
   630/300 + 320/300 = 630 + 320/300 = 950/300
5. 950/300 simplified gives 19/6
6. So, 42/20 + 80/75 = 19/6
   In mixed form: 31/6

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