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Add 18/45 and 70/40

1st number: 18/45, 2nd number: 1 30/40

18/45 + 70/40 is 43/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 45 × 8 = 360,
    18/45 = 18 × 8/45 × 8 = 144/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    70/40 = 70 × 9/40 × 9 = 630/360
  4. Add the two like fractions:
    144/360 + 630/360 = 144 + 630/360 = 774/360
  5. 774/360 simplified gives 43/20
  6. So, 18/45 + 70/40 = 43/20
    In mixed form: 23/20

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