Answers

Add 30/70 and 90/56

1^st number: 30/70, 2^nd number: 1 34/56

30/70 + 90/56 is 57/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 56 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 70 × 4 = 280,
   30/70 = 30 × 4/70 × 4 = 120/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   90/56 = 90 × 5/56 × 5 = 450/280
4. Add the two like fractions:
   120/280 + 450/280 = 120 + 450/280 = 570/280
5. 570/280 simplified gives 57/28
6. So, 30/70 + 90/56 = 57/28
   In mixed form: 21/28

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