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Add 15/70 and 18/9

1st number: 15/70, 2nd number: 2 0/9

15/70 + 18/9 is 31/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 9 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 70 × 9 = 630,
    15/70 = 15 × 9/70 × 9 = 135/630
  3. Likewise, for the 2nd fraction, since 9 × 70 = 630,
    18/9 = 18 × 70/9 × 70 = 1260/630
  4. Add the two like fractions:
    135/630 + 1260/630 = 135 + 1260/630 = 1395/630
  5. 1395/630 simplified gives 31/14
  6. So, 15/70 + 18/9 = 31/14
    In mixed form: 23/14

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