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Add 9/21 and 24/40

9/21 + 24/40 is 36/35.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 21 × 40 = 840,
    9/21 = 9 × 40/21 × 40 = 360/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    24/40 = 24 × 21/40 × 21 = 504/840
  4. Add the two like fractions:
    360/840 + 504/840 = 360 + 504/840 = 864/840
  5. 864/840 simplified gives 36/35
  6. So, 9/21 + 24/40 = 36/35
    In mixed form: 11/35

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