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Add 7/40 and 12/45

7/40 + 12/45 is 53/120.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    7/40 = 7 × 9/40 × 9 = 63/360
  3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
    12/45 = 12 × 8/45 × 8 = 96/360
  4. Add the two like fractions:
    63/360 + 96/360 = 63 + 96/360 = 159/360
  5. 159/360 simplified gives 53/120
  6. So, 7/40 + 12/45 = 53/120

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