Answers

Subtract 63/80 from 4/54

4/54 - 63/80 is -1541/2160.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 80 is 2160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2160
2. For the 1st fraction, since 54 × 40 = 2160,
   4/54 = 4 × 40/54 × 40 = 160/2160
3. Likewise, for the 2nd fraction, since 80 × 27 = 2160,
   63/80 = 63 × 27/80 × 27 = 1701/2160
4. Subtract the two like fractions:
   160/2160 - 1701/2160 = 160 - 1701/2160 = -1541/2160

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