Answers

Subtract 3/40 from 50/90

50/90 - 3/40 is 173/360.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 90 × 4 = 360,
   50/90 = 50 × 4/90 × 4 = 200/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   3/40 = 3 × 9/40 × 9 = 27/360
4. Subtract the two like fractions:
   200/360 - 27/360 = 200 - 27/360 = 173/360

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