Answers

Add 42/20 and 75/42

1^st number: 2 2/20, 2^nd number: 1 33/42

42/20 + 75/42 is 136/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 42 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 20 × 21 = 420,
   42/20 = 42 × 21/20 × 21 = 882/420
3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
   75/42 = 75 × 10/42 × 10 = 750/420
4. Add the two like fractions:
   882/420 + 750/420 = 882 + 750/420 = 1632/420
5. 1632/420 simplified gives 136/35
6. So, 42/20 + 75/42 = 136/35
   In mixed form: 331/35

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