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Add 9/30 and 75/21

1st number: 9/30, 2nd number: 3 12/21

9/30 + 75/21 is 271/70.

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,
    9/30 = 9 × 7/30 × 7 = 63/210
  3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
    75/21 = 75 × 10/21 × 10 = 750/210
  4. Add the two like fractions:
    63/210 + 750/210 = 63 + 750/210 = 813/210
  5. 813/210 simplified gives 271/70
  6. So, 9/30 + 75/21 = 271/70
    In mixed form: 361/70

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