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Add 5/80 and 20/28

5/80 + 20/28 is 87/112.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 28 is 560
  2. For the 1st fraction, since 80 × 7 = 560,
    5/80 = 5 × 7/80 × 7 = 35/560
  3. Likewise, for the 2nd fraction, since 28 × 20 = 560,
    20/28 = 20 × 20/28 × 20 = 400/560
  4. Add the two fractions:
    35/560 + 400/560 = 35 + 400/560 = 435/560
  5. 435/560 simplified gives 87/112
  6. So, 5/80 + 20/28 = 87/112

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