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Add 8/45 and 18/21

8/45 + 18/21 is 326/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 21 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 45 × 7 = 315,
    8/45 = 8 × 7/45 × 7 = 56/315
  3. Likewise, for the 2nd fraction, since 21 × 15 = 315,
    18/21 = 18 × 15/21 × 15 = 270/315
  4. Add the two like fractions:
    56/315 + 270/315 = 56 + 270/315 = 326/315
  5. So, 8/45 + 18/21 = 326/315
    In mixed form: 111/315

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