Answers

Add 90/27 and 42/35

1^st number: 3 9/27, 2^nd number: 1 7/35

90/27 + 42/35 is 68/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 35 is 945
   
   Next, find the equivalent fraction of both fractional numbers with denominator 945
2. For the 1st fraction, since 27 × 35 = 945,
   90/27 = 90 × 35/27 × 35 = 3150/945
3. Likewise, for the 2nd fraction, since 35 × 27 = 945,
   42/35 = 42 × 27/35 × 27 = 1134/945
4. Add the two like fractions:
   3150/945 + 1134/945 = 3150 + 1134/945 = 4284/945
5. 4284/945 simplified gives 68/15
6. So, 90/27 + 42/35 = 68/15
   In mixed form: 48/15

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