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Add 30/15 and 10/40

1st number: 2 0/15, 2nd number: 10/40

30/15 + 10/40 is 9/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 40 is 120
  2. For the 1st fraction, since 15 × 8 = 120,
    30/15 = 30 × 8/15 × 8 = 240/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    10/40 = 10 × 3/40 × 3 = 30/120
  4. Add the two fractions:
    240/120 + 30/120 = 240 + 30/120 = 270/120
  5. 270/120 simplified gives 9/4
  6. So, 30/15 + 10/40 = 9/4
    In mixed form: 21/4

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