Answers

Subtract 6/36 from 21/45

21/45 - 6/36 is 3/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 36 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 45 × 4 = 180,
   21/45 = 21 × 4/45 × 4 = 84/180
3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
   6/36 = 6 × 5/36 × 5 = 30/180
4. Subtract the two like fractions:
   84/180 - 30/180 = 84 - 30/180 = 54/180
5. After reducing the fraction, the answer is 3/10

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