Answers

Add 54/64 and 25/20

1^st number: 54/64, 2^nd number: 1 5/20

54/64 + 25/20 is 67/32.

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,
   54/64 = 54 × 5/64 × 5 = 270/320
3. Likewise, for the 2nd fraction, since 20 × 16 = 320,
   25/20 = 25 × 16/20 × 16 = 400/320
4. Add the two like fractions:
   270/320 + 400/320 = 270 + 400/320 = 670/320
5. 670/320 simplified gives 67/32
6. So, 54/64 + 25/20 = 67/32
   In mixed form: 23/32

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