Answers

Add 24/42 and 49/20

1^st number: 24/42, 2^nd number: 2 9/20

24/42 + 49/20 is 423/140.

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,
   24/42 = 24 × 10/42 × 10 = 240/420
3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
   49/20 = 49 × 21/20 × 21 = 1029/420
4. Add the two like fractions:
   240/420 + 1029/420 = 240 + 1029/420 = 1269/420
5. 1269/420 simplified gives 423/140
6. So, 24/42 + 49/20 = 423/140
   In mixed form: 33/140

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