Answers

Add 20/64 and 84/40

1^st number: 20/64, 2^nd number: 2 4/40

20/64 + 84/40 is 193/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 40 is 320
   
   Next, find the equivalent fraction of both fractional numbers with denominator 320
2. For the 1st fraction, since 64 × 5 = 320,
   20/64 = 20 × 5/64 × 5 = 100/320
3. Likewise, for the 2nd fraction, since 40 × 8 = 320,
   84/40 = 84 × 8/40 × 8 = 672/320
4. Add the two like fractions:
   100/320 + 672/320 = 100 + 672/320 = 772/320
5. 772/320 simplified gives 193/80
6. So, 20/64 + 84/40 = 193/80
   In mixed form: 233/80

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