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Add 72/90 and 9/24

72/90 + 9/24 is 47/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 24 is 360
  2. For the 1st fraction, since 90 × 4 = 360,
    72/90 = 72 × 4/90 × 4 = 288/360
  3. Likewise, for the 2nd fraction, since 24 × 15 = 360,
    9/24 = 9 × 15/24 × 15 = 135/360
  4. Add the two fractions:
    288/360 + 135/360 = 288 + 135/360 = 423/360
  5. After reducing the fraction, the answer is 47/40
  6. In mixed form: 17/40

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