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Add 20/48 and 42/84

20/48 + 42/84 is 11/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 84 is 336

    Next, find the equivalent fraction of both fractional numbers with denominator 336
  2. For the 1st fraction, since 48 × 7 = 336,
    20/48 = 20 × 7/48 × 7 = 140/336
  3. Likewise, for the 2nd fraction, since 84 × 4 = 336,
    42/84 = 42 × 4/84 × 4 = 168/336
  4. Add the two like fractions:
    140/336 + 168/336 = 140 + 168/336 = 308/336
  5. 308/336 simplified gives 11/12
  6. So, 20/48 + 42/84 = 11/12

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