Answers

Add 90/45 and 12/64

1^st number: 2 0/45, 2^nd number: 12/64

90/45 + 12/64 is 35/16.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 64 is 2880
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2880
2. For the 1st fraction, since 45 × 64 = 2880,
   90/45 = 90 × 64/45 × 64 = 5760/2880
3. Likewise, for the 2nd fraction, since 64 × 45 = 2880,
   12/64 = 12 × 45/64 × 45 = 540/2880
4. Add the two like fractions:
   5760/2880 + 540/2880 = 5760 + 540/2880 = 6300/2880
5. 6300/2880 simplified gives 35/16
6. So, 90/45 + 12/64 = 35/16
   In mixed form: 23/16

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