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Add 72/40 and 1/9

1st number: 1 32/40, 2nd number: 1/9

72/40 + 1/9 is 86/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 9 is 360
  2. For the 1st fraction, since 40 × 9 = 360,
    72/40 = 72 × 9/40 × 9 = 648/360
  3. Likewise, for the 2nd fraction, since 9 × 40 = 360,
    1/9 = 1 × 40/9 × 40 = 40/360
  4. Add the two fractions:
    648/360 + 40/360 = 648 + 40/360 = 688/360
  5. 688/360 simplified gives 86/45
  6. So, 72/40 + 1/9 = 86/45
    In mixed form: 141/45

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