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Add 25/40 and 21/49

25/40 + 21/49 is 59/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 49 is 1960

    Next, find the equivalent fraction of both fractional numbers with denominator 1960
  2. For the 1st fraction, since 40 × 49 = 1960,
    25/40 = 25 × 49/40 × 49 = 1225/1960
  3. Likewise, for the 2nd fraction, since 49 × 40 = 1960,
    21/49 = 21 × 40/49 × 40 = 840/1960
  4. Add the two like fractions:
    1225/1960 + 840/1960 = 1225 + 840/1960 = 2065/1960
  5. 2065/1960 simplified gives 59/56
  6. So, 25/40 + 21/49 = 59/56
    In mixed form: 13/56

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