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Add 8/45 and 72/40

1st number: 8/45, 2nd number: 1 32/40

8/45 + 72/40 is 89/45.

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,
    8/45 = 8 × 8/45 × 8 = 64/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    72/40 = 72 × 9/40 × 9 = 648/360
  4. Add the two like fractions:
    64/360 + 648/360 = 64 + 648/360 = 712/360
  5. 712/360 simplified gives 89/45
  6. So, 8/45 + 72/40 = 89/45
    In mixed form: 144/45

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