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Add 36/48 and 3/21

36/48 + 3/21 is 25/28.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 336
  2. For the 1st fraction, since 48 × 7 = 336,
    36/48 = 36 × 7/48 × 7 = 252/336
  3. Likewise, for the 2nd fraction, since 21 × 16 = 336,
    3/21 = 3 × 16/21 × 16 = 48/336
  4. Add the two like fractions:
    252/336 + 48/336 = 252 + 48/336 = 300/336
  5. 300/336 simplified gives 25/28
  6. So, 36/48 + 3/21 = 25/28

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