Answers

Add 40/20 and 27/64

1^st number: 2 0/20, 2^nd number: 27/64

40/20 + 27/64 is 155/64.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 64 is 320
   
   Next, find the equivalent fraction of both fractional numbers with denominator 320
2. For the 1st fraction, since 20 × 16 = 320,
   40/20 = 40 × 16/20 × 16 = 640/320
3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
   27/64 = 27 × 5/64 × 5 = 135/320
4. Add the two like fractions:
   640/320 + 135/320 = 640 + 135/320 = 775/320
5. 775/320 simplified gives 155/64
6. So, 40/20 + 27/64 = 155/64
   In mixed form: 227/64

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