Answers

Add 90/40 and 45/64

1^st number: 2 10/40, 2^nd number: 45/64

90/40 + 45/64 is 189/64.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 64 is 320
   
   Next, find the equivalent fraction of both fractional numbers with denominator 320
2. For the 1st fraction, since 40 × 8 = 320,
   90/40 = 90 × 8/40 × 8 = 720/320
3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
   45/64 = 45 × 5/64 × 5 = 225/320
4. Add the two like fractions:
   720/320 + 225/320 = 720 + 225/320 = 945/320
5. 945/320 simplified gives 189/64
6. So, 90/40 + 45/64 = 189/64
   In mixed form: 261/64

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