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Add 40/84 and 56/72

40/84 + 56/72 is 79/63.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 84 × 6 = 504,
    40/84 = 40 × 6/84 × 6 = 240/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    56/72 = 56 × 7/72 × 7 = 392/504
  4. Add the two like fractions:
    240/504 + 392/504 = 240 + 392/504 = 632/504
  5. 632/504 simplified gives 79/63
  6. So, 40/84 + 56/72 = 79/63
    In mixed form: 116/63

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