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Add 21/49 and 25/63

21/49 + 25/63 is 52/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 63 is 441

    Next, find the equivalent fraction of both fractional numbers with denominator 441
  2. For the 1st fraction, since 49 × 9 = 441,
    21/49 = 21 × 9/49 × 9 = 189/441
  3. Likewise, for the 2nd fraction, since 63 × 7 = 441,
    25/63 = 25 × 7/63 × 7 = 175/441
  4. Add the two like fractions:
    189/441 + 175/441 = 189 + 175/441 = 364/441
  5. 364/441 simplified gives 52/63
  6. So, 21/49 + 25/63 = 52/63

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