Answers

Add 90/35 and 42/27

1^st number: 2 20/35, 2^nd number: 1 15/27

90/35 + 42/27 is 260/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 27 is 945
   
   Next, find the equivalent fraction of both fractional numbers with denominator 945
2. For the 1st fraction, since 35 × 27 = 945,
   90/35 = 90 × 27/35 × 27 = 2430/945
3. Likewise, for the 2nd fraction, since 27 × 35 = 945,
   42/27 = 42 × 35/27 × 35 = 1470/945
4. Add the two like fractions:
   2430/945 + 1470/945 = 2430 + 1470/945 = 3900/945
5. 3900/945 simplified gives 260/63
6. So, 90/35 + 42/27 = 260/63
   In mixed form: 48/63

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