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Add 20/5 and 21/72

1st number: 4 0/5, 2nd number: 21/72

20/5 + 21/72 is 103/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 5 × 72 = 360,
    20/5 = 20 × 72/5 × 72 = 1440/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    21/72 = 21 × 5/72 × 5 = 105/360
  4. Add the two like fractions:
    1440/360 + 105/360 = 1440 + 105/360 = 1545/360
  5. 1545/360 simplified gives 103/24
  6. So, 20/5 + 21/72 = 103/24
    In mixed form: 47/24

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