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Add 10/70 and 9/28

10/70 + 9/28 is 13/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 28 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 70 × 2 = 140,
    10/70 = 10 × 2/70 × 2 = 20/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    9/28 = 9 × 5/28 × 5 = 45/140
  4. Add the two like fractions:
    20/140 + 45/140 = 20 + 45/140 = 65/140
  5. 65/140 simplified gives 13/28
  6. So, 10/70 + 9/28 = 13/28

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