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Add 75/28 and 18/80

1st number: 2 19/28, 2nd number: 18/80

75/28 + 18/80 is 813/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 28 × 20 = 560,
    75/28 = 75 × 20/28 × 20 = 1500/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    18/80 = 18 × 7/80 × 7 = 126/560
  4. Add the two like fractions:
    1500/560 + 126/560 = 1500 + 126/560 = 1626/560
  5. 1626/560 simplified gives 813/280
  6. So, 75/28 + 18/80 = 813/280
    In mixed form: 2253/280

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