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Add 4/70 and 20/28

4/70 + 20/28 is 27/35.

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,
    4/70 = 4 × 2/70 × 2 = 8/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    20/28 = 20 × 5/28 × 5 = 100/140
  4. Add the two like fractions:
    8/140 + 100/140 = 8 + 100/140 = 108/140
  5. 108/140 simplified gives 27/35
  6. So, 4/70 + 20/28 = 27/35

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