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Add 36/80 and 15/28

36/80 + 15/28 is 69/70.

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,
    36/80 = 36 × 7/80 × 7 = 252/560
  3. Likewise, for the 2nd fraction, since 28 × 20 = 560,
    15/28 = 15 × 20/28 × 20 = 300/560
  4. Add the two like fractions:
    252/560 + 300/560 = 252 + 300/560 = 552/560
  5. 552/560 simplified gives 69/70
  6. So, 36/80 + 15/28 = 69/70

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