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Add 20/21 and 25/48

20/21 + 25/48 is 165/112.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 48 is 336

    Next, find the equivalent fraction of both fractional numbers with denominator 336
  2. For the 1st fraction, since 21 × 16 = 336,
    20/21 = 20 × 16/21 × 16 = 320/336
  3. Likewise, for the 2nd fraction, since 48 × 7 = 336,
    25/48 = 25 × 7/48 × 7 = 175/336
  4. Add the two like fractions:
    320/336 + 175/336 = 320 + 175/336 = 495/336
  5. 495/336 simplified gives 165/112
  6. So, 20/21 + 25/48 = 165/112
    In mixed form: 153/112

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