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Add 7/45 and 20/40

7/45 + 20/40 is 59/90.

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,
    7/45 = 7 × 8/45 × 8 = 56/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    20/40 = 20 × 9/40 × 9 = 180/360
  4. Add the two like fractions:
    56/360 + 180/360 = 56 + 180/360 = 236/360
  5. 236/360 simplified gives 59/90
  6. So, 7/45 + 20/40 = 59/90

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