Answers

Add 75/64 and 45/90

1^st number: 1 11/64, 2^nd number: 45/90

75/64 + 45/90 is 107/64.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 90 is 2880
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2880
2. For the 1st fraction, since 64 × 45 = 2880,
   75/64 = 75 × 45/64 × 45 = 3375/2880
3. Likewise, for the 2nd fraction, since 90 × 32 = 2880,
   45/90 = 45 × 32/90 × 32 = 1440/2880
4. Add the two like fractions:
   3375/2880 + 1440/2880 = 3375 + 1440/2880 = 4815/2880
5. 4815/2880 simplified gives 107/64
6. So, 75/64 + 45/90 = 107/64
   In mixed form: 143/64

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