Answers

Add 72/10 and 20/64

1^st number: 7 2/10, 2^nd number: 20/64

72/10 + 20/64 is 601/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 64 is 320
   
   Next, find the equivalent fraction of both fractional numbers with denominator 320
2. For the 1st fraction, since 10 × 32 = 320,
   72/10 = 72 × 32/10 × 32 = 2304/320
3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
   20/64 = 20 × 5/64 × 5 = 100/320
4. Add the two like fractions:
   2304/320 + 100/320 = 2304 + 100/320 = 2404/320
5. 2404/320 simplified gives 601/80
6. So, 72/10 + 20/64 = 601/80
   In mixed form: 741/80

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