Answers

Add 10/42 and 72/64

1^st number: 10/42, 2^nd number: 1 8/64

10/42 + 72/64 is 229/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 64 is 1344
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1344
2. For the 1st fraction, since 42 × 32 = 1344,
   10/42 = 10 × 32/42 × 32 = 320/1344
3. Likewise, for the 2nd fraction, since 64 × 21 = 1344,
   72/64 = 72 × 21/64 × 21 = 1512/1344
4. Add the two like fractions:
   320/1344 + 1512/1344 = 320 + 1512/1344 = 1832/1344
5. 1832/1344 simplified gives 229/168
6. So, 10/42 + 72/64 = 229/168
   In mixed form: 161/168

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