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Add 27/30 and 4/7

27/30 + 4/7 is 103/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 7 is 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 7 × 30 = 210,
    4/7 = 4 × 30/7 × 30 = 120/210
  4. Add the two fractions:
    189/210 + 120/210 = 189 + 120/210 = 309/210
  5. After reducing the fraction, the answer is 103/70
  6. In mixed form: 133/70

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