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Add 98/80 and 18/28

1st number: 1 18/80, 2nd number: 18/28

98/80 + 18/28 is 523/280.

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,
    98/80 = 98 × 7/80 × 7 = 686/560
  3. Likewise, for the 2nd fraction, since 28 × 20 = 560,
    18/28 = 18 × 20/28 × 20 = 360/560
  4. Add the two like fractions:
    686/560 + 360/560 = 686 + 360/560 = 1046/560
  5. 1046/560 simplified gives 523/280
  6. So, 98/80 + 18/28 = 523/280
    In mixed form: 1243/280

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