Answers

Add 90/64 and 16/60

1^st number: 1 26/64, 2^nd number: 16/60

90/64 + 16/60 is 803/480.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 60 is 960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 960
2. For the 1st fraction, since 64 × 15 = 960,
   90/64 = 90 × 15/64 × 15 = 1350/960
3. Likewise, for the 2nd fraction, since 60 × 16 = 960,
   16/60 = 16 × 16/60 × 16 = 256/960
4. Add the two like fractions:
   1350/960 + 256/960 = 1350 + 256/960 = 1606/960
5. 1606/960 simplified gives 803/480
6. So, 90/64 + 16/60 = 803/480
   In mixed form: 1323/480

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