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Add 18/21 and 1/30

18/21 + 1/30 is 187/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 21 × 10 = 210,
    18/21 = 18 × 10/21 × 10 = 180/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    1/30 = 1 × 7/30 × 7 = 7/210
  4. Add the two like fractions:
    180/210 + 7/210 = 180 + 7/210 = 187/210
  5. So, 18/21 + 1/30 = 187/210

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