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Add 98/80 and 18/45

1st number: 1 18/80, 2nd number: 18/45

98/80 + 18/45 is 13/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 45 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    98/80 = 98 × 9/80 × 9 = 882/720
  3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
    18/45 = 18 × 16/45 × 16 = 288/720
  4. Add the two like fractions:
    882/720 + 288/720 = 882 + 288/720 = 1170/720
  5. 1170/720 simplified gives 13/8
  6. So, 98/80 + 18/45 = 13/8
    In mixed form: 15/8

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