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Add 18/70 and 8/9

18/70 + 8/9 is 361/315.

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,
    18/70 = 18 × 9/70 × 9 = 162/630
  3. Likewise, for the 2nd fraction, since 9 × 70 = 630,
    8/9 = 8 × 70/9 × 70 = 560/630
  4. Add the two like fractions:
    162/630 + 560/630 = 162 + 560/630 = 722/630
  5. 722/630 simplified gives 361/315
  6. So, 18/70 + 8/9 = 361/315
    In mixed form: 146/315

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