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Add 27/30 and 12/35

27/30 + 12/35 is 87/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 35 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 35 × 6 = 210,
    12/35 = 12 × 6/35 × 6 = 72/210
  4. Add the two like fractions:
    189/210 + 72/210 = 189 + 72/210 = 261/210
  5. 261/210 simplified gives 87/70
  6. So, 27/30 + 12/35 = 87/70
    In mixed form: 117/70

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