Answers

Subtract 56/90 from 4/40

4/40 - 56/90 is -47/90.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   4/40 = 4 × 9/40 × 9 = 36/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   56/90 = 56 × 4/90 × 4 = 224/360
4. Subtract the two like fractions:
   36/360 - 224/360 = 36 - 224/360 = -188/360
5. After reducing the fraction, the answer is -47/90

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