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Add 28/14 and 70/80

1st number: 2 0/14, 2nd number: 70/80

28/14 + 70/80 is 23/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 14 × 40 = 560,
    28/14 = 28 × 40/14 × 40 = 1120/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    70/80 = 70 × 7/80 × 7 = 490/560
  4. Add the two like fractions:
    1120/560 + 490/560 = 1120 + 490/560 = 1610/560
  5. 1610/560 simplified gives 23/8
  6. So, 28/14 + 70/80 = 23/8
    In mixed form: 27/8

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