Answers

Subtract 3/90 from 49/72

49/72 - 3/90 is 233/360.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   49/72 = 49 × 5/72 × 5 = 245/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   3/90 = 3 × 4/90 × 4 = 12/360
4. Subtract the two like fractions:
   245/360 - 12/360 = 245 - 12/360 = 233/360

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