Answers

Add 64/90 and 45/10

1^st number: 64/90, 2^nd number: 4 5/10

64/90 + 45/10 is 469/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 10 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   64/90 = 64 × 1/90 × 1 = 64/90
3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
   45/10 = 45 × 9/10 × 9 = 405/90
4. Add the two like fractions:
   64/90 + 405/90 = 64 + 405/90 = 469/90
5. So, 64/90 + 45/10 = 469/90
   In mixed form: 519/90

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