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Add 80/70 and 9/18

1st number: 1 10/70, 2nd number: 9/18

80/70 + 9/18 is 23/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 18 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 70 × 9 = 630,
    80/70 = 80 × 9/70 × 9 = 720/630
  3. Likewise, for the 2nd fraction, since 18 × 35 = 630,
    9/18 = 9 × 35/18 × 35 = 315/630
  4. Add the two like fractions:
    720/630 + 315/630 = 720 + 315/630 = 1035/630
  5. 1035/630 simplified gives 23/14
  6. So, 80/70 + 9/18 = 23/14
    In mixed form: 19/14

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