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Add 24/70 and 18/21

24/70 + 18/21 is 6/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 21 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 70 × 3 = 210,
    24/70 = 24 × 3/70 × 3 = 72/210
  3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
    18/21 = 18 × 10/21 × 10 = 180/210
  4. Add the two like fractions:
    72/210 + 180/210 = 72 + 180/210 = 252/210
  5. 252/210 simplified gives 6/5
  6. So, 24/70 + 18/21 = 6/5
    In mixed form: 11/5

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