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Add 81/80 and 5/28

1st number: 1 1/80, 2nd number: 5/28

81/80 + 5/28 is 667/560.

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,
    81/80 = 81 × 7/80 × 7 = 567/560
  3. Likewise, for the 2nd fraction, since 28 × 20 = 560,
    5/28 = 5 × 20/28 × 20 = 100/560
  4. Add the two like fractions:
    567/560 + 100/560 = 567 + 100/560 = 667/560
  5. So, 81/80 + 5/28 = 667/560
    In mixed form: 1107/560

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