Answers

Add 75/84 and 6/70

75/84 + 6/70 is 137/140.

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,
   75/84 = 75 × 5/84 × 5 = 375/420
3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
   6/70 = 6 × 6/70 × 6 = 36/420
4. Add the two like fractions:
   375/420 + 36/420 = 375 + 36/420 = 411/420
5. 411/420 simplified gives 137/140
6. So, 75/84 + 6/70 = 137/140

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