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Add 14/90 and 21/63

14/90 + 21/63 is 22/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 63 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    14/90 = 14 × 7/90 × 7 = 98/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    21/63 = 21 × 10/63 × 10 = 210/630
  4. Add the two like fractions:
    98/630 + 210/630 = 98 + 210/630 = 308/630
  5. 308/630 simplified gives 22/45
  6. So, 14/90 + 21/63 = 22/45

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