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Add 7/18 and 35/40

7/18 + 35/40 is 91/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 40 is 360
  2. For the 1st fraction, since 18 × 20 = 360,
    7/18 = 7 × 20/18 × 20 = 140/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    35/40 = 35 × 9/40 × 9 = 315/360
  4. Add the two fractions:
    140/360 + 315/360 = 140 + 315/360 = 455/360
  5. After reducing the fraction, the answer is 91/72
  6. In mixed form: 119/72

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