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Add 6/72 and 40/42

6/72 + 40/42 is 29/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 42 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    6/72 = 6 × 7/72 × 7 = 42/504
  3. Likewise, for the 2nd fraction, since 42 × 12 = 504,
    40/42 = 40 × 12/42 × 12 = 480/504
  4. Add the two like fractions:
    42/504 + 480/504 = 42 + 480/504 = 522/504
  5. 522/504 simplified gives 29/28
  6. So, 6/72 + 40/42 = 29/28
    In mixed form: 11/28

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