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Add 6/70 and 45/63

6/70 + 45/63 is 4/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 63 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 70 × 9 = 630,
    6/70 = 6 × 9/70 × 9 = 54/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    45/63 = 45 × 10/63 × 10 = 450/630
  4. Add the two like fractions:
    54/630 + 450/630 = 54 + 450/630 = 504/630
  5. 504/630 simplified gives 4/5
  6. So, 6/70 + 45/63 = 4/5

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