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Add 30/90 and 30/72

30/90 + 30/72 is 3/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 72 is 360
  2. For the 1st fraction, since 90 × 4 = 360,
    30/90 = 30 × 4/90 × 4 = 120/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    30/72 = 30 × 5/72 × 5 = 150/360
  4. Add the two fractions:
    120/360 + 150/360 = 120 + 150/360 = 270/360
  5. After reducing the fraction, the answer is 3/4

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