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Add 20/30 and 6/7

20/30 + 6/7 is 32/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 7 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    20/30 = 20 × 7/30 × 7 = 140/210
  3. Likewise, for the 2nd fraction, since 7 × 30 = 210,
    6/7 = 6 × 30/7 × 30 = 180/210
  4. Add the two like fractions:
    140/210 + 180/210 = 140 + 180/210 = 320/210
  5. 320/210 simplified gives 32/21
  6. So, 20/30 + 6/7 = 32/21
    In mixed form: 111/21

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