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Add 28/84 and 6/80

28/84 + 6/80 is 49/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 80 is 1680
  2. For the 1st fraction, since 84 × 20 = 1680,
    28/84 = 28 × 20/84 × 20 = 560/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    6/80 = 6 × 21/80 × 21 = 126/1680
  4. Add the two fractions:
    560/1680 + 126/1680 = 560 + 126/1680 = 686/1680
  5. 686/1680 simplified gives 49/120
  6. So, 28/84 + 6/80 = 49/120

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