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Add 20/70 and 5/8

20/70 + 5/8 is 51/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 8 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 8 × 35 = 280,
    5/8 = 5 × 35/8 × 35 = 175/280
  4. Add the two like fractions:
    80/280 + 175/280 = 80 + 175/280 = 255/280
  5. 255/280 simplified gives 51/56
  6. So, 20/70 + 5/8 = 51/56

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