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Add 72/15 and 3/30

1st number: 4 12/15, 2nd number: 3/30

72/15 + 3/30 is 49/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 30 is 30
  2. For the 1st fraction, since 15 × 2 = 30,
    72/15 = 72 × 2/15 × 2 = 144/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    3/30 = 3 × 1/30 × 1 = 3/30
  4. Add the two fractions:
    144/30 + 3/30 = 144 + 3/30 = 147/30
  5. 147/30 simplified gives 49/10
  6. So, 72/15 + 3/30 = 49/10
    In mixed form: 49/10

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