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Add 12/45 and 2/70

12/45 + 2/70 is 31/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 70 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 45 × 14 = 630,
    12/45 = 12 × 14/45 × 14 = 168/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    2/70 = 2 × 9/70 × 9 = 18/630
  4. Add the two like fractions:
    168/630 + 18/630 = 168 + 18/630 = 186/630
  5. 186/630 simplified gives 31/105
  6. So, 12/45 + 2/70 = 31/105

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