Answers

Add 9/70 and 2/60

9/70 + 2/60 is 17/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 70 × 6 = 420,
   9/70 = 9 × 6/70 × 6 = 54/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   2/60 = 2 × 7/60 × 7 = 14/420
4. Add the two like fractions:
   54/420 + 14/420 = 54 + 14/420 = 68/420
5. 68/420 simplified gives 17/105
6. So, 9/70 + 2/60 = 17/105

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