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Add 24/30 and 21/90

24/30 + 21/90 is 31/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 90 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 30 × 3 = 90,
    24/30 = 24 × 3/30 × 3 = 72/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    21/90 = 21 × 1/90 × 1 = 21/90
  4. Add the two like fractions:
    72/90 + 21/90 = 72 + 21/90 = 93/90
  5. 93/90 simplified gives 31/30
  6. So, 24/30 + 21/90 = 31/30
    In mixed form: 11/30

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