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Add 28/7 and 25/80

1st number: 4 0/7, 2nd number: 25/80

28/7 + 25/80 is 69/16.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 7 × 80 = 560,
    28/7 = 28 × 80/7 × 80 = 2240/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    25/80 = 25 × 7/80 × 7 = 175/560
  4. Add the two like fractions:
    2240/560 + 175/560 = 2240 + 175/560 = 2415/560
  5. 2415/560 simplified gives 69/16
  6. So, 28/7 + 25/80 = 69/16
    In mixed form: 45/16

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