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Add 40/90 and 84/72

1st number: 40/90, 2nd number: 1 12/72

40/90 + 84/72 is 29/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 90 × 4 = 360,
    40/90 = 40 × 4/90 × 4 = 160/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    84/72 = 84 × 5/72 × 5 = 420/360
  4. Add the two like fractions:
    160/360 + 420/360 = 160 + 420/360 = 580/360
  5. 580/360 simplified gives 29/18
  6. So, 40/90 + 84/72 = 29/18
    In mixed form: 111/18

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