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Add 10/30 and 16/21

10/30 + 16/21 is 23/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 21 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    10/30 = 10 × 7/30 × 7 = 70/210
  3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
    16/21 = 16 × 10/21 × 10 = 160/210
  4. Add the two like fractions:
    70/210 + 160/210 = 70 + 160/210 = 230/210
  5. 230/210 simplified gives 23/21
  6. So, 10/30 + 16/21 = 23/21
    In mixed form: 12/21

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