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Add 6/56 and 20/90

6/56 + 20/90 is 83/252.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 90 is 2520
  2. For the 1st fraction, since 56 × 45 = 2520,
    6/56 = 6 × 45/56 × 45 = 270/2520
  3. Likewise, for the 2nd fraction, since 90 × 28 = 2520,
    20/90 = 20 × 28/90 × 28 = 560/2520
  4. Add the two fractions:
    270/2520 + 560/2520 = 270 + 560/2520 = 830/2520
  5. After reducing the fraction, the answer is 83/252

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