Answers

Subtract 9/40 from 4/45

4/45 - 9/40 is -49/360.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 45 × 8 = 360,
   4/45 = 4 × 8/45 × 8 = 32/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   9/40 = 9 × 9/40 × 9 = 81/360
4. Subtract the two like fractions:
   32/360 - 81/360 = 32 - 81/360 = -49/360

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