Answers

Add 90/35 and 28/24

1^st number: 2 20/35, 2^nd number: 1 4/24

90/35 + 28/24 is 157/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 24 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 35 × 24 = 840,
   90/35 = 90 × 24/35 × 24 = 2160/840
3. Likewise, for the 2nd fraction, since 24 × 35 = 840,
   28/24 = 28 × 35/24 × 35 = 980/840
4. Add the two like fractions:
   2160/840 + 980/840 = 2160 + 980/840 = 3140/840
5. 3140/840 simplified gives 157/42
6. So, 90/35 + 28/24 = 157/42
   In mixed form: 331/42

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