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Add 20/56 and 28/80

20/56 + 28/80 is 99/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 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,
    28/80 = 28 × 7/80 × 7 = 196/560
  4. Add the two like fractions:
    200/560 + 196/560 = 200 + 196/560 = 396/560
  5. 396/560 simplified gives 99/140
  6. So, 20/56 + 28/80 = 99/140

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