Answers

Add 40/42 and 48/20

1^st number: 40/42, 2^nd number: 2 8/20

40/42 + 48/20 is 352/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 20 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 42 × 10 = 420,
   40/42 = 40 × 10/42 × 10 = 400/420
3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
   48/20 = 48 × 21/20 × 21 = 1008/420
4. Add the two like fractions:
   400/420 + 1008/420 = 400 + 1008/420 = 1408/420
5. 1408/420 simplified gives 352/105
6. So, 40/42 + 48/20 = 352/105
   In mixed form: 337/105

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