Answers

Add 30/70 and 56/20

1^st number: 30/70, 2^nd number: 2 16/20

30/70 + 56/20 is 113/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 70 × 2 = 140,
   30/70 = 30 × 2/70 × 2 = 60/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   56/20 = 56 × 7/20 × 7 = 392/140
4. Add the two like fractions:
   60/140 + 392/140 = 60 + 392/140 = 452/140
5. 452/140 simplified gives 113/35
6. So, 30/70 + 56/20 = 113/35
   In mixed form: 38/35

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