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Add 72/20 and 14/7

1st number: 3 12/20, 2nd number: 2 0/7

72/20 + 14/7 is 28/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 7 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    72/20 = 72 × 7/20 × 7 = 504/140
  3. Likewise, for the 2nd fraction, since 7 × 20 = 140,
    14/7 = 14 × 20/7 × 20 = 280/140
  4. Add the two like fractions:
    504/140 + 280/140 = 504 + 280/140 = 784/140
  5. 784/140 simplified gives 28/5
  6. So, 72/20 + 14/7 = 28/5
    In mixed form: 53/5

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