Answers

Add 80/10 and 90/64

1^st number: 8 0/10, 2^nd number: 1 26/64

80/10 + 90/64 is 301/32.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 64 is 320
   
   Next, find the equivalent fraction of both fractional numbers with denominator 320
2. For the 1st fraction, since 10 × 32 = 320,
   80/10 = 80 × 32/10 × 32 = 2560/320
3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
   90/64 = 90 × 5/64 × 5 = 450/320
4. Add the two like fractions:
   2560/320 + 450/320 = 2560 + 450/320 = 3010/320
5. 3010/320 simplified gives 301/32
6. So, 80/10 + 90/64 = 301/32
   In mixed form: 913/32

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