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Add 18/21 and 45/30

1st number: 18/21, 2nd number: 1 15/30

18/21 + 45/30 is 33/14.

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,
    45/30 = 45 × 7/30 × 7 = 315/210
  4. Add the two like fractions:
    180/210 + 315/210 = 180 + 315/210 = 495/210
  5. 495/210 simplified gives 33/14
  6. So, 18/21 + 45/30 = 33/14
    In mixed form: 25/14

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