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Add 15/42 and 45/49

15/42 + 45/49 is 125/98.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 49 is 294

    Next, find the equivalent fraction of both fractional numbers with denominator 294
  2. For the 1st fraction, since 42 × 7 = 294,
    15/42 = 15 × 7/42 × 7 = 105/294
  3. Likewise, for the 2nd fraction, since 49 × 6 = 294,
    45/49 = 45 × 6/49 × 6 = 270/294
  4. Add the two like fractions:
    105/294 + 270/294 = 105 + 270/294 = 375/294
  5. 375/294 simplified gives 125/98
  6. So, 15/42 + 45/49 = 125/98
    In mixed form: 127/98

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