Answers

Add 30/70 and 60/8

1^st number: 30/70, 2^nd number: 7 4/8

30/70 + 60/8 is 111/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 8 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 8 × 35 = 280,
   60/8 = 60 × 35/8 × 35 = 2100/280
4. Add the two like fractions:
   120/280 + 2100/280 = 120 + 2100/280 = 2220/280
5. 2220/280 simplified gives 111/14
6. So, 30/70 + 60/8 = 111/14
   In mixed form: 713/14

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