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Add 45/80 and 5/28

45/80 + 5/28 is 83/112.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 80 × 7 = 560,
    45/80 = 45 × 7/80 × 7 = 315/560
  3. Likewise, for the 2nd fraction, since 28 × 20 = 560,
    5/28 = 5 × 20/28 × 20 = 100/560
  4. Add the two like fractions:
    315/560 + 100/560 = 315 + 100/560 = 415/560
  5. 415/560 simplified gives 83/112
  6. So, 45/80 + 5/28 = 83/112

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