Answers

Add 30/35 and 90/20

1^st number: 30/35, 2^nd number: 4 10/20

30/35 + 90/20 is 75/14.

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,
   30/35 = 30 × 4/35 × 4 = 120/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   90/20 = 90 × 7/20 × 7 = 630/140
4. Add the two like fractions:
   120/140 + 630/140 = 120 + 630/140 = 750/140
5. 750/140 simplified gives 75/14
6. So, 30/35 + 90/20 = 75/14
   In mixed form: 55/14

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