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Add 27/30 and 9/42

27/30 + 9/42 is 39/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    27/30 = 27 × 7/30 × 7 = 189/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    9/42 = 9 × 5/42 × 5 = 45/210
  4. Add the two like fractions:
    189/210 + 45/210 = 189 + 45/210 = 234/210
  5. 234/210 simplified gives 39/35
  6. So, 27/30 + 9/42 = 39/35
    In mixed form: 14/35

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