Answers

Add 90/64 and 15/80

1^st number: 1 26/64, 2^nd number: 15/80

90/64 + 15/80 is 51/32.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 80 is 320
   
   Next, find the equivalent fraction of both fractional numbers with denominator 320
2. For the 1st fraction, since 64 × 5 = 320,
   90/64 = 90 × 5/64 × 5 = 450/320
3. Likewise, for the 2nd fraction, since 80 × 4 = 320,
   15/80 = 15 × 4/80 × 4 = 60/320
4. Add the two like fractions:
   450/320 + 60/320 = 450 + 60/320 = 510/320
5. 510/320 simplified gives 51/32
6. So, 90/64 + 15/80 = 51/32
   In mixed form: 119/32

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