Answers

Add 28/90 and 75/64

1^st number: 28/90, 2^nd number: 1 11/64

28/90 + 75/64 is 4271/2880.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 64 is 2880
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2880
2. For the 1st fraction, since 90 × 32 = 2880,
   28/90 = 28 × 32/90 × 32 = 896/2880
3. Likewise, for the 2nd fraction, since 64 × 45 = 2880,
   75/64 = 75 × 45/64 × 45 = 3375/2880
4. Add the two like fractions:
   896/2880 + 3375/2880 = 896 + 3375/2880 = 4271/2880
5. So, 28/90 + 75/64 = 4271/2880
   In mixed form: 11391/2880

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