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Add 49/70 and 18/63

49/70 + 18/63 is 69/70.

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,
    49/70 = 49 × 9/70 × 9 = 441/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    18/63 = 18 × 10/63 × 10 = 180/630
  4. Add the two like fractions:
    441/630 + 180/630 = 441 + 180/630 = 621/630
  5. 621/630 simplified gives 69/70
  6. So, 49/70 + 18/63 = 69/70

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