Answers

Add 20/70 and 84/8

1^st number: 20/70, 2^nd number: 10 4/8

20/70 + 84/8 is 151/14.

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,
   20/70 = 20 × 4/70 × 4 = 80/280
3. Likewise, for the 2nd fraction, since 8 × 35 = 280,
   84/8 = 84 × 35/8 × 35 = 2940/280
4. Add the two like fractions:
   80/280 + 2940/280 = 80 + 2940/280 = 3020/280
5. 3020/280 simplified gives 151/14
6. So, 20/70 + 84/8 = 151/14
   In mixed form: 1011/14

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