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Add 54/18 and 70/40

1st number: 3 0/18, 2nd number: 1 30/40

54/18 + 70/40 is 19/4.

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,
    54/18 = 54 × 20/18 × 20 = 1080/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    70/40 = 70 × 9/40 × 9 = 630/360
  4. Add the two fractions:
    1080/360 + 630/360 = 1080 + 630/360 = 1710/360
  5. 1710/360 simplified gives 19/4
  6. So, 54/18 + 70/40 = 19/4
    In mixed form: 43/4

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