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Add 30/84 and 15/60

30/84 + 15/60 is 17/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 60 is 420
  2. For the 1st fraction, since 84 × 5 = 420,
    30/84 = 30 × 5/84 × 5 = 150/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    15/60 = 15 × 7/60 × 7 = 105/420
  4. Add the two fractions:
    150/420 + 105/420 = 150 + 105/420 = 255/420
  5. 255/420 simplified gives 17/28
  6. So, 30/84 + 15/60 = 17/28

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