Answers

Add 42/30 and 90/64

1^st number: 1 12/30, 2^nd number: 1 26/64

42/30 + 90/64 is 449/160.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 64 is 960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 960
2. For the 1st fraction, since 30 × 32 = 960,
   42/30 = 42 × 32/30 × 32 = 1344/960
3. Likewise, for the 2nd fraction, since 64 × 15 = 960,
   90/64 = 90 × 15/64 × 15 = 1350/960
4. Add the two like fractions:
   1344/960 + 1350/960 = 1344 + 1350/960 = 2694/960
5. 2694/960 simplified gives 449/160
6. So, 42/30 + 90/64 = 449/160
   In mixed form: 2129/160

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