Answers

Add 20/35 and 90/28

1^st number: 20/35, 2^nd number: 3 6/28

20/35 + 90/28 is 53/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 28 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 35 × 4 = 140,
   20/35 = 20 × 4/35 × 4 = 80/140
3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
   90/28 = 90 × 5/28 × 5 = 450/140
4. Add the two like fractions:
   80/140 + 450/140 = 80 + 450/140 = 530/140
5. 530/140 simplified gives 53/14
6. So, 20/35 + 90/28 = 53/14
   In mixed form: 311/14

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