Answers

Add 90/42 and 3/64

1^st number: 2 6/42, 2^nd number: 3/64

90/42 + 3/64 is 981/448.

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,
   90/42 = 90 × 32/42 × 32 = 2880/1344
3. Likewise, for the 2nd fraction, since 64 × 21 = 1344,
   3/64 = 3 × 21/64 × 21 = 63/1344
4. Add the two like fractions:
   2880/1344 + 63/1344 = 2880 + 63/1344 = 2943/1344
5. 2943/1344 simplified gives 981/448
6. So, 90/42 + 3/64 = 981/448
   In mixed form: 285/448

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