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Add 5/40 and 90/72

1st number: 5/40, 2nd number: 1 18/72

5/40 + 90/72 is 11/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    5/40 = 5 × 9/40 × 9 = 45/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    90/72 = 90 × 5/72 × 5 = 450/360
  4. Add the two like fractions:
    45/360 + 450/360 = 45 + 450/360 = 495/360
  5. 495/360 simplified gives 11/8
  6. So, 5/40 + 90/72 = 11/8
    In mixed form: 13/8

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