Answers

Add 3/70 and 4/84

3/70 + 4/84 is 19/210.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 70 × 6 = 420,
   3/70 = 3 × 6/70 × 6 = 18/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   4/84 = 4 × 5/84 × 5 = 20/420
4. Add the two like fractions:
   18/420 + 20/420 = 18 + 20/420 = 38/420
5. 38/420 simplified gives 19/210
6. So, 3/70 + 4/84 = 19/210

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