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Add 70/18 and 90/40

1st number: 3 16/18, 2nd number: 2 10/40

70/18 + 90/40 is 221/36.

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,
    70/18 = 70 × 20/18 × 20 = 1400/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    90/40 = 90 × 9/40 × 9 = 810/360
  4. Add the two fractions:
    1400/360 + 810/360 = 1400 + 810/360 = 2210/360
  5. 2210/360 simplified gives 221/36
  6. So, 70/18 + 90/40 = 221/36
    In mixed form: 65/36

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