Answers

Add 10/84 and 8/70

10/84 + 8/70 is 7/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 70 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   10/84 = 10 × 5/84 × 5 = 50/420
3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
   8/70 = 8 × 6/70 × 6 = 48/420
4. Add the two like fractions:
   50/420 + 48/420 = 50 + 48/420 = 98/420
5. 98/420 simplified gives 7/30
6. So, 10/84 + 8/70 = 7/30

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