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Add 21/45 and 6/35

21/45 + 6/35 is 67/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 35 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 45 × 7 = 315,
    21/45 = 21 × 7/45 × 7 = 147/315
  3. Likewise, for the 2nd fraction, since 35 × 9 = 315,
    6/35 = 6 × 9/35 × 9 = 54/315
  4. Add the two like fractions:
    147/315 + 54/315 = 147 + 54/315 = 201/315
  5. 201/315 simplified gives 67/105
  6. So, 21/45 + 6/35 = 67/105

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