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Add 24/40 and 6/21

24/40 + 6/21 is 31/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 21 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 40 × 21 = 840,
    24/40 = 24 × 21/40 × 21 = 504/840
  3. Likewise, for the 2nd fraction, since 21 × 40 = 840,
    6/21 = 6 × 40/21 × 40 = 240/840
  4. Add the two like fractions:
    504/840 + 240/840 = 504 + 240/840 = 744/840
  5. 744/840 simplified gives 31/35
  6. So, 24/40 + 6/21 = 31/35

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