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Add 4/56 and 20/80

4/56 + 20/80 is 9/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 80 is 560
  2. For the 1st fraction, since 56 × 10 = 560,
    4/56 = 4 × 10/56 × 10 = 40/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    20/80 = 20 × 7/80 × 7 = 140/560
  4. Add the two fractions:
    40/560 + 140/560 = 40 + 140/560 = 180/560
  5. After reducing the fraction, the answer is 9/28

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