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Add 4/30 and 15/45

4/30 + 15/45 is 7/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 45 is 90
  2. For the 1st fraction, since 30 × 3 = 90,
    4/30 = 4 × 3/30 × 3 = 12/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    15/45 = 15 × 2/45 × 2 = 30/90
  4. Add the two fractions:
    12/90 + 30/90 = 12 + 30/90 = 42/90
  5. 42/90 simplified gives 7/15
  6. So, 4/30 + 15/45 = 7/15

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