Answers

Add 5/42 and 8/70

5/42 + 8/70 is 7/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 70 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 42 × 5 = 210,
   5/42 = 5 × 5/42 × 5 = 25/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   8/70 = 8 × 3/70 × 3 = 24/210
4. Add the two like fractions:
   25/210 + 24/210 = 25 + 24/210 = 49/210
5. 49/210 simplified gives 7/30
6. So, 5/42 + 8/70 = 7/30

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