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Add 27/28 and 20/75

27/28 + 20/75 is 517/420.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 75 is 2100

    Next, find the equivalent fraction of both fractional numbers with denominator 2100
  2. For the 1st fraction, since 28 × 75 = 2100,
    27/28 = 27 × 75/28 × 75 = 2025/2100
  3. Likewise, for the 2nd fraction, since 75 × 28 = 2100,
    20/75 = 20 × 28/75 × 28 = 560/2100
  4. Add the two like fractions:
    2025/2100 + 560/2100 = 2025 + 560/2100 = 2585/2100
  5. 2585/2100 simplified gives 517/420
  6. So, 27/28 + 20/75 = 517/420
    In mixed form: 197/420

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