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Add 72/40 and 6/45

1st number: 1 32/40, 2nd number: 6/45

72/40 + 6/45 is 29/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 45 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    72/40 = 72 × 9/40 × 9 = 648/360
  3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
    6/45 = 6 × 8/45 × 8 = 48/360
  4. Add the two like fractions:
    648/360 + 48/360 = 648 + 48/360 = 696/360
  5. 696/360 simplified gives 29/15
  6. So, 72/40 + 6/45 = 29/15
    In mixed form: 114/15

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