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Add 2/18 and 21/30

2/18 + 21/30 is 73/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 30 is 90
  2. For the 1st fraction, since 18 × 5 = 90,
    2/18 = 2 × 5/18 × 5 = 10/90
  3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
    21/30 = 21 × 3/30 × 3 = 63/90
  4. Add the two fractions:
    10/90 + 63/90 = 10 + 63/90 = 73/90

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