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Add 45/40 and 10/90

1st number: 1 5/40, 2nd number: 10/90

45/40 + 10/90 is 89/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 90 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    45/40 = 45 × 9/40 × 9 = 405/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    10/90 = 10 × 4/90 × 4 = 40/360
  4. Add the two like fractions:
    405/360 + 40/360 = 405 + 40/360 = 445/360
  5. 445/360 simplified gives 89/72
  6. So, 45/40 + 10/90 = 89/72
    In mixed form: 117/72

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