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Add 72/90 and 40/6

1st number: 72/90, 2nd number: 6 4/6

72/90 + 40/6 is 112/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 6 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 90 × 1 = 90,
    72/90 = 72 × 1/90 × 1 = 72/90
  3. Likewise, for the 2nd fraction, since 6 × 15 = 90,
    40/6 = 40 × 15/6 × 15 = 600/90
  4. Add the two like fractions:
    72/90 + 600/90 = 72 + 600/90 = 672/90
  5. 672/90 simplified gives 112/15
  6. So, 72/90 + 40/6 = 112/15
    In mixed form: 77/15

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