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Add 27/18 and 98/40

1st number: 1 9/18, 2nd number: 2 18/40

27/18 + 98/40 is 79/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 18 × 20 = 360,
    27/18 = 27 × 20/18 × 20 = 540/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    98/40 = 98 × 9/40 × 9 = 882/360
  4. Add the two like fractions:
    540/360 + 882/360 = 540 + 882/360 = 1422/360
  5. 1422/360 simplified gives 79/20
  6. So, 27/18 + 98/40 = 79/20
    In mixed form: 319/20

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