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Add 63/84 and 40/60

63/84 + 40/60 is 17/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 60 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    63/84 = 63 × 5/84 × 5 = 315/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    40/60 = 40 × 7/60 × 7 = 280/420
  4. Add the two like fractions:
    315/420 + 280/420 = 315 + 280/420 = 595/420
  5. 595/420 simplified gives 17/12
  6. So, 63/84 + 40/60 = 17/12
    In mixed form: 15/12

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