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Add 72/6 and 15/40

1st number: 12 0/6, 2nd number: 15/40

72/6 + 15/40 is 99/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 6 × 20 = 120,
    72/6 = 72 × 20/6 × 20 = 1440/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    15/40 = 15 × 3/40 × 3 = 45/120
  4. Add the two like fractions:
    1440/120 + 45/120 = 1440 + 45/120 = 1485/120
  5. 1485/120 simplified gives 99/8
  6. So, 72/6 + 15/40 = 99/8
    In mixed form: 123/8

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