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Add 45/72 and 30/84

45/72 + 30/84 is 55/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 84 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    45/72 = 45 × 7/72 × 7 = 315/504
  3. Likewise, for the 2nd fraction, since 84 × 6 = 504,
    30/84 = 30 × 6/84 × 6 = 180/504
  4. Add the two like fractions:
    315/504 + 180/504 = 315 + 180/504 = 495/504
  5. 495/504 simplified gives 55/56
  6. So, 45/72 + 30/84 = 55/56

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