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Add 98/90 and 12/40

1st number: 1 8/90, 2nd number: 12/40

98/90 + 12/40 is 25/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 90 × 4 = 360,
    98/90 = 98 × 4/90 × 4 = 392/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    12/40 = 12 × 9/40 × 9 = 108/360
  4. Add the two like fractions:
    392/360 + 108/360 = 392 + 108/360 = 500/360
  5. 500/360 simplified gives 25/18
  6. So, 98/90 + 12/40 = 25/18
    In mixed form: 17/18

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