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Add 4/72 and 27/20

1st number: 4/72, 2nd number: 1 7/20

4/72 + 27/20 is 253/180.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 20 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    4/72 = 4 × 5/72 × 5 = 20/360
  3. Likewise, for the 2nd fraction, since 20 × 18 = 360,
    27/20 = 27 × 18/20 × 18 = 486/360
  4. Add the two like fractions:
    20/360 + 486/360 = 20 + 486/360 = 506/360
  5. 506/360 simplified gives 253/180
  6. So, 4/72 + 27/20 = 253/180
    In mixed form: 173/180

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