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Add 20/70 and 30/56

20/70 + 30/56 is 23/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 70 × 4 = 280,
    20/70 = 20 × 4/70 × 4 = 80/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    30/56 = 30 × 5/56 × 5 = 150/280
  4. Add the two like fractions:
    80/280 + 150/280 = 80 + 150/280 = 230/280
  5. 230/280 simplified gives 23/28
  6. So, 20/70 + 30/56 = 23/28

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