Answers

Add 30/35 and 75/20

1^st number: 30/35, 2^nd number: 3 15/20

30/35 + 75/20 is 129/28.

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,
   75/20 = 75 × 7/20 × 7 = 525/140
4. Add the two like fractions:
   120/140 + 525/140 = 120 + 525/140 = 645/140
5. 645/140 simplified gives 129/28
6. So, 30/35 + 75/20 = 129/28
   In mixed form: 417/28

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