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Add 30/15 and 7/40

1st number: 2 0/15, 2nd number: 7/40

30/15 + 7/40 is 87/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 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,
    7/40 = 7 × 3/40 × 3 = 21/120
  4. Add the two like fractions:
    240/120 + 21/120 = 240 + 21/120 = 261/120
  5. 261/120 simplified gives 87/40
  6. So, 30/15 + 7/40 = 87/40
    In mixed form: 27/40

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