Answers

Subtract 9/72 from 28/90

28/90 - 9/72 is 67/360.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 90 × 4 = 360,
   28/90 = 28 × 4/90 × 4 = 112/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   9/72 = 9 × 5/72 × 5 = 45/360
4. Subtract the two like fractions:
   112/360 - 45/360 = 112 - 45/360 = 67/360

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