Answers

Add 54/42 and 70/64

1^st number: 1 12/42, 2^nd number: 1 6/64

54/42 + 70/64 is 533/224.

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,
   54/42 = 54 × 32/42 × 32 = 1728/1344
3. Likewise, for the 2nd fraction, since 64 × 21 = 1344,
   70/64 = 70 × 21/64 × 21 = 1470/1344
4. Add the two like fractions:
   1728/1344 + 1470/1344 = 1728 + 1470/1344 = 3198/1344
5. 3198/1344 simplified gives 533/224
6. So, 54/42 + 70/64 = 533/224
   In mixed form: 285/224

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