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Add 20/56 and 4/80

20/56 + 4/80 is 57/140.

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,
    20/56 = 20 × 10/56 × 10 = 200/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    4/80 = 4 × 7/80 × 7 = 28/560
  4. Add the two fractions:
    200/560 + 28/560 = 200 + 28/560 = 228/560
  5. 228/560 simplified gives 57/140
  6. So, 20/56 + 4/80 = 57/140

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