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Add 27/70 and 6/90

27/70 + 6/90 is 19/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 70 × 9 = 630,
    27/70 = 27 × 9/70 × 9 = 243/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    6/90 = 6 × 7/90 × 7 = 42/630
  4. Add the two like fractions:
    243/630 + 42/630 = 243 + 42/630 = 285/630
  5. 285/630 simplified gives 19/42
  6. So, 27/70 + 6/90 = 19/42

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