Answers

Add 90/35 and 30/20

1^st number: 2 20/35, 2^nd number: 1 10/20

90/35 + 30/20 is 57/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 35 × 4 = 140,
   90/35 = 90 × 4/35 × 4 = 360/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   30/20 = 30 × 7/20 × 7 = 210/140
4. Add the two like fractions:
   360/140 + 210/140 = 360 + 210/140 = 570/140
5. 570/140 simplified gives 57/14
6. So, 90/35 + 30/20 = 57/14
   In mixed form: 41/14

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