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Add 60/40 and 12/45

1st number: 1 20/40, 2nd number: 12/45

60/40 + 12/45 is 53/30.

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,
    60/40 = 60 × 9/40 × 9 = 540/360
  3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
    12/45 = 12 × 8/45 × 8 = 96/360
  4. Add the two like fractions:
    540/360 + 96/360 = 540 + 96/360 = 636/360
  5. 636/360 simplified gives 53/30
  6. So, 60/40 + 12/45 = 53/30
    In mixed form: 123/30

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