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Add 20/84 and 1/70

20/84 + 1/70 is 53/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 70 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    20/84 = 20 × 5/84 × 5 = 100/420
  3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
    1/70 = 1 × 6/70 × 6 = 6/420
  4. Add the two like fractions:
    100/420 + 6/420 = 100 + 6/420 = 106/420
  5. 106/420 simplified gives 53/210
  6. So, 20/84 + 1/70 = 53/210

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