Answers

Add 42/25 and 81/40

1^st number: 1 17/25, 2^nd number: 2 1/40

42/25 + 81/40 is 741/200.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 40 is 200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 200
2. For the 1st fraction, since 25 × 8 = 200,
   42/25 = 42 × 8/25 × 8 = 336/200
3. Likewise, for the 2nd fraction, since 40 × 5 = 200,
   81/40 = 81 × 5/40 × 5 = 405/200
4. Add the two like fractions:
   336/200 + 405/200 = 336 + 405/200 = 741/200
5. So, 42/25 + 81/40 = 741/200
   In mixed form: 3141/200

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