Answers

Add 6/20 and 54/42

1^st number: 6/20, 2^nd number: 1 12/42

6/20 + 54/42 is 111/70.

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,
   6/20 = 6 × 21/20 × 21 = 126/420
3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
   54/42 = 54 × 10/42 × 10 = 540/420
4. Add the two like fractions:
   126/420 + 540/420 = 126 + 540/420 = 666/420
5. 666/420 simplified gives 111/70
6. So, 6/20 + 54/42 = 111/70
   In mixed form: 141/70

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