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Add 72/80 and 28/56

72/80 + 28/56 is 7/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 56 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 80 × 7 = 560,
    72/80 = 72 × 7/80 × 7 = 504/560
  3. Likewise, for the 2nd fraction, since 56 × 10 = 560,
    28/56 = 28 × 10/56 × 10 = 280/560
  4. Add the two like fractions:
    504/560 + 280/560 = 504 + 280/560 = 784/560
  5. 784/560 simplified gives 7/5
  6. So, 72/80 + 28/56 = 7/5
    In mixed form: 12/5

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