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Add 14/21 and 4/90

14/21 + 4/90 is 32/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 21 × 30 = 630,
    14/21 = 14 × 30/21 × 30 = 420/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    4/90 = 4 × 7/90 × 7 = 28/630
  4. Add the two like fractions:
    420/630 + 28/630 = 420 + 28/630 = 448/630
  5. 448/630 simplified gives 32/45
  6. So, 14/21 + 4/90 = 32/45

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