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Add 9/14 and 15/90

9/14 + 15/90 is 17/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 14 × 45 = 630,
    9/14 = 9 × 45/14 × 45 = 405/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    15/90 = 15 × 7/90 × 7 = 105/630
  4. Add the two like fractions:
    405/630 + 105/630 = 405 + 105/630 = 510/630
  5. 510/630 simplified gives 17/21
  6. So, 9/14 + 15/90 = 17/21

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