Answers

Add 72/64 and 14/42

1^st number: 1 8/64, 2^nd number: 14/42

72/64 + 14/42 is 35/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 42 is 1344
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1344
2. For the 1st fraction, since 64 × 21 = 1344,
   72/64 = 72 × 21/64 × 21 = 1512/1344
3. Likewise, for the 2nd fraction, since 42 × 32 = 1344,
   14/42 = 14 × 32/42 × 32 = 448/1344
4. Add the two like fractions:
   1512/1344 + 448/1344 = 1512 + 448/1344 = 1960/1344
5. 1960/1344 simplified gives 35/24
6. So, 72/64 + 14/42 = 35/24
   In mixed form: 111/24

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