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Add 21/35 and 12/24

21/35 + 12/24 is 11/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 24 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 35 × 24 = 840,
    21/35 = 21 × 24/35 × 24 = 504/840
  3. Likewise, for the 2nd fraction, since 24 × 35 = 840,
    12/24 = 12 × 35/24 × 35 = 420/840
  4. Add the two like fractions:
    504/840 + 420/840 = 504 + 420/840 = 924/840
  5. 924/840 simplified gives 11/10
  6. So, 21/35 + 12/24 = 11/10
    In mixed form: 11/10

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