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Add 90/27 and 9/70

1st number: 3 9/27, 2nd number: 9/70

90/27 + 9/70 is 727/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 70 is 1890
  2. For the 1st fraction, since 27 × 70 = 1890,
    90/27 = 90 × 70/27 × 70 = 6300/1890
  3. Likewise, for the 2nd fraction, since 70 × 27 = 1890,
    9/70 = 9 × 27/70 × 27 = 243/1890
  4. Add the two fractions:
    6300/1890 + 243/1890 = 6300 + 243/1890 = 6543/1890
  5. After reducing the fraction, the answer is 727/210
  6. In mixed form: 397/210

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