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Add 72/60 and 45/28

1st number: 1 12/60, 2nd number: 1 17/28

72/60 + 45/28 is 393/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 28 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 60 × 7 = 420,
    72/60 = 72 × 7/60 × 7 = 504/420
  3. Likewise, for the 2nd fraction, since 28 × 15 = 420,
    45/28 = 45 × 15/28 × 15 = 675/420
  4. Add the two like fractions:
    504/420 + 675/420 = 504 + 675/420 = 1179/420
  5. 1179/420 simplified gives 393/140
  6. So, 72/60 + 45/28 = 393/140
    In mixed form: 2113/140

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