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Add 14/70 and 20/90

14/70 + 20/90 is 19/45.

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,
    14/70 = 14 × 9/70 × 9 = 126/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    20/90 = 20 × 7/90 × 7 = 140/630
  4. Add the two like fractions:
    126/630 + 140/630 = 126 + 140/630 = 266/630
  5. 266/630 simplified gives 19/45
  6. So, 14/70 + 20/90 = 19/45

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