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Add 28/60 and 18/84

28/60 + 18/84 is 143/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 84 is 420
  2. For the 1st fraction, since 60 × 7 = 420,
    28/60 = 28 × 7/60 × 7 = 196/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    18/84 = 18 × 5/84 × 5 = 90/420
  4. Add the two fractions:
    196/420 + 90/420 = 196 + 90/420 = 286/420
  5. After reducing the fraction, the answer is 143/210

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