Answers

Add 81/40 and 15/50

1^st number: 2 1/40, 2^nd number: 15/50

81/40 + 15/50 is 93/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 50 is 200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 200
2. For the 1st fraction, since 40 × 5 = 200,
   81/40 = 81 × 5/40 × 5 = 405/200
3. Likewise, for the 2nd fraction, since 50 × 4 = 200,
   15/50 = 15 × 4/50 × 4 = 60/200
4. Add the two like fractions:
   405/200 + 60/200 = 405 + 60/200 = 465/200
5. 465/200 simplified gives 93/40
6. So, 81/40 + 15/50 = 93/40
   In mixed form: 213/40

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