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Add 1/45 and 60/72

1/45 + 60/72 is 77/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 72 is 360
  2. For the 1st fraction, since 45 × 8 = 360,
    1/45 = 1 × 8/45 × 8 = 8/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    60/72 = 60 × 5/72 × 5 = 300/360
  4. Add the two fractions:
    8/360 + 300/360 = 8 + 300/360 = 308/360
  5. 308/360 simplified gives 77/90
  6. So, 1/45 + 60/72 = 77/90

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