Answers

Add 45/64 and 40/20

1^st number: 45/64, 2^nd number: 2 0/20

45/64 + 40/20 is 173/64.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 20 is 320
   
   Next, find the equivalent fraction of both fractional numbers with denominator 320
2. For the 1st fraction, since 64 × 5 = 320,
   45/64 = 45 × 5/64 × 5 = 225/320
3. Likewise, for the 2nd fraction, since 20 × 16 = 320,
   40/20 = 40 × 16/20 × 16 = 640/320
4. Add the two like fractions:
   225/320 + 640/320 = 225 + 640/320 = 865/320
5. 865/320 simplified gives 173/64
6. So, 45/64 + 40/20 = 173/64
   In mixed form: 245/64

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