Answers

Add 1/50 and 90/81

1^st number: 1/50, 2^nd number: 1 9/81

1/50 + 90/81 is 509/450.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 81 is 4050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4050
2. For the 1st fraction, since 50 × 81 = 4050,
   1/50 = 1 × 81/50 × 81 = 81/4050
3. Likewise, for the 2nd fraction, since 81 × 50 = 4050,
   90/81 = 90 × 50/81 × 50 = 4500/4050
4. Add the two like fractions:
   81/4050 + 4500/4050 = 81 + 4500/4050 = 4581/4050
5. 4581/4050 simplified gives 509/450
6. So, 1/50 + 90/81 = 509/450
   In mixed form: 159/450

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