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Add 18/84 and 20/32

18/84 + 20/32 is 47/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 32 is 672
  2. For the 1st fraction, since 84 × 8 = 672,
    18/84 = 18 × 8/84 × 8 = 144/672
  3. Likewise, for the 2nd fraction, since 32 × 21 = 672,
    20/32 = 20 × 21/32 × 21 = 420/672
  4. Add the two fractions:
    144/672 + 420/672 = 144 + 420/672 = 564/672
  5. 564/672 simplified gives 47/56
  6. So, 18/84 + 20/32 = 47/56

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