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Add 1/28 and 72/60

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

1/28 + 72/60 is 173/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 60 is 420
  2. For the 1st fraction, since 28 × 15 = 420,
    1/28 = 1 × 15/28 × 15 = 15/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    72/60 = 72 × 7/60 × 7 = 504/420
  4. Add the two fractions:
    15/420 + 504/420 = 15 + 504/420 = 519/420
  5. After reducing the fraction, the answer is 173/140
  6. In mixed form: 133/140

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