Answers

Add 90/35 and 42/36

1^st number: 2 20/35, 2^nd number: 1 6/36

90/35 + 42/36 is 157/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 36 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 35 × 36 = 1260,
   90/35 = 90 × 36/35 × 36 = 3240/1260
3. Likewise, for the 2nd fraction, since 36 × 35 = 1260,
   42/36 = 42 × 35/36 × 35 = 1470/1260
4. Add the two like fractions:
   3240/1260 + 1470/1260 = 3240 + 1470/1260 = 4710/1260
5. 4710/1260 simplified gives 157/42
6. So, 90/35 + 42/36 = 157/42
   In mixed form: 331/42

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