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Add 5/15 and 35/42

5/15 + 35/42 is 7/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 15 × 14 = 210,
    5/15 = 5 × 14/15 × 14 = 70/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    35/42 = 35 × 5/42 × 5 = 175/210
  4. Add the two like fractions:
    70/210 + 175/210 = 70 + 175/210 = 245/210
  5. 245/210 simplified gives 7/6
  6. So, 5/15 + 35/42 = 7/6
    In mixed form: 11/6

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