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Add 16/28 and 7/90

16/28 + 7/90 is 409/630.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 90 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 28 × 45 = 1260,
    16/28 = 16 × 45/28 × 45 = 720/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    7/90 = 7 × 14/90 × 14 = 98/1260
  4. Add the two like fractions:
    720/1260 + 98/1260 = 720 + 98/1260 = 818/1260
  5. 818/1260 simplified gives 409/630
  6. So, 16/28 + 7/90 = 409/630

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