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Add 54/70 and 28/60

54/70 + 28/60 is 26/21.

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,
    54/70 = 54 × 6/70 × 6 = 324/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    28/60 = 28 × 7/60 × 7 = 196/420
  4. Add the two like fractions:
    324/420 + 196/420 = 324 + 196/420 = 520/420
  5. 520/420 simplified gives 26/21
  6. So, 54/70 + 28/60 = 26/21
    In mixed form: 15/21

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