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Add 28/7 and 15/80

1st number: 4 0/7, 2nd number: 15/80

28/7 + 15/80 is 67/16.

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,
    15/80 = 15 × 7/80 × 7 = 105/560
  4. Add the two like fractions:
    2240/560 + 105/560 = 2240 + 105/560 = 2345/560
  5. 2345/560 simplified gives 67/16
  6. So, 28/7 + 15/80 = 67/16
    In mixed form: 43/16

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