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Add 84/15 and 18/72

1st number: 5 9/15, 2nd number: 18/72

84/15 + 18/72 is 117/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 15 × 24 = 360,
    84/15 = 84 × 24/15 × 24 = 2016/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    18/72 = 18 × 5/72 × 5 = 90/360
  4. Add the two like fractions:
    2016/360 + 90/360 = 2016 + 90/360 = 2106/360
  5. 2106/360 simplified gives 117/20
  6. So, 84/15 + 18/72 = 117/20
    In mixed form: 517/20

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