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Add 21/75 and 15/18

21/75 + 15/18 is 167/150.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 18 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 75 × 6 = 450,
    21/75 = 21 × 6/75 × 6 = 126/450
  3. Likewise, for the 2nd fraction, since 18 × 25 = 450,
    15/18 = 15 × 25/18 × 25 = 375/450
  4. Add the two like fractions:
    126/450 + 375/450 = 126 + 375/450 = 501/450
  5. 501/450 simplified gives 167/150
  6. So, 21/75 + 15/18 = 167/150
    In mixed form: 117/150

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