Answers

Add 10/20 and 10/70

10/20 + 10/70 is 9/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 70 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 20 × 7 = 140,
   10/20 = 10 × 7/20 × 7 = 70/140
3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
   10/70 = 10 × 2/70 × 2 = 20/140
4. Add the two like fractions:
   70/140 + 20/140 = 70 + 20/140 = 90/140
5. 90/140 simplified gives 9/14
6. So, 10/20 + 10/70 = 9/14

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