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Add 12/72 and 42/40

1st number: 12/72, 2nd number: 1 2/40

12/72 + 42/40 is 73/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    12/72 = 12 × 5/72 × 5 = 60/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    42/40 = 42 × 9/40 × 9 = 378/360
  4. Add the two like fractions:
    60/360 + 378/360 = 60 + 378/360 = 438/360
  5. 438/360 simplified gives 73/60
  6. So, 12/72 + 42/40 = 73/60
    In mixed form: 113/60

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