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Add 3/60 and 15/70

3/60 + 15/70 is 37/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 70 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 60 × 7 = 420,
    3/60 = 3 × 7/60 × 7 = 21/420
  3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
    15/70 = 15 × 6/70 × 6 = 90/420
  4. Add the two like fractions:
    21/420 + 90/420 = 21 + 90/420 = 111/420
  5. 111/420 simplified gives 37/140
  6. So, 3/60 + 15/70 = 37/140

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