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Add 9/70 and 21/24

9/70 + 21/24 is 281/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 24 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 70 × 12 = 840,
    9/70 = 9 × 12/70 × 12 = 108/840
  3. Likewise, for the 2nd fraction, since 24 × 35 = 840,
    21/24 = 21 × 35/24 × 35 = 735/840
  4. Add the two like fractions:
    108/840 + 735/840 = 108 + 735/840 = 843/840
  5. 843/840 simplified gives 281/280
  6. So, 9/70 + 21/24 = 281/280
    In mixed form: 11/280

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