Answers

Add 56/20 and 18/42

1^st number: 2 16/20, 2^nd number: 18/42

56/20 + 18/42 is 113/35.

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,
   56/20 = 56 × 21/20 × 21 = 1176/420
3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
   18/42 = 18 × 10/42 × 10 = 180/420
4. Add the two like fractions:
   1176/420 + 180/420 = 1176 + 180/420 = 1356/420
5. 1356/420 simplified gives 113/35
6. So, 56/20 + 18/42 = 113/35
   In mixed form: 38/35

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