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Add 28/70 and 4/60

28/70 + 4/60 is 7/15.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 70 × 6 = 420,
    28/70 = 28 × 6/70 × 6 = 168/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    4/60 = 4 × 7/60 × 7 = 28/420
  4. Add the two like fractions:
    168/420 + 28/420 = 168 + 28/420 = 196/420
  5. 196/420 simplified gives 7/15
  6. So, 28/70 + 4/60 = 7/15

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