Answers

Subtract 21/60 from 30/54

30/54 - 21/60 is 37/180.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 60 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 54 × 10 = 540,
   30/54 = 30 × 10/54 × 10 = 300/540
3. Likewise, for the 2nd fraction, since 60 × 9 = 540,
   21/60 = 21 × 9/60 × 9 = 189/540
4. Subtract the two like fractions:
   300/540 - 189/540 = 300 - 189/540 = 111/540
5. After reducing the fraction, the answer is 37/180

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