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Add 1/45 and 84/72

1st number: 1/45, 2nd number: 1 12/72

1/45 + 84/72 is 107/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 45 × 8 = 360,
    1/45 = 1 × 8/45 × 8 = 8/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    84/72 = 84 × 5/72 × 5 = 420/360
  4. Add the two like fractions:
    8/360 + 420/360 = 8 + 420/360 = 428/360
  5. 428/360 simplified gives 107/90
  6. So, 1/45 + 84/72 = 107/90
    In mixed form: 117/90

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