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Add 48/54 and 2/21

48/54 + 2/21 is 62/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 21 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 54 × 7 = 378,
    48/54 = 48 × 7/54 × 7 = 336/378
  3. Likewise, for the 2nd fraction, since 21 × 18 = 378,
    2/21 = 2 × 18/21 × 18 = 36/378
  4. Add the two like fractions:
    336/378 + 36/378 = 336 + 36/378 = 372/378
  5. 372/378 simplified gives 62/63
  6. So, 48/54 + 2/21 = 62/63

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