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Add 35/80 and 20/28

35/80 + 20/28 is 129/112.

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,
    35/80 = 35 × 7/80 × 7 = 245/560
  3. Likewise, for the 2nd fraction, since 28 × 20 = 560,
    20/28 = 20 × 20/28 × 20 = 400/560
  4. Add the two like fractions:
    245/560 + 400/560 = 245 + 400/560 = 645/560
  5. 645/560 simplified gives 129/112
  6. So, 35/80 + 20/28 = 129/112
    In mixed form: 117/112

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