Answers

Subtract 25/84 from 27/20

1^st number: 1 7/20, 2^nd number: 25/84

27/20 - 25/84 is 221/210.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 20 × 21 = 420,
   27/20 = 27 × 21/20 × 21 = 567/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   25/84 = 25 × 5/84 × 5 = 125/420
4. Subtract the two like fractions:
   567/420 - 125/420 = 567 - 125/420 = 442/420
5. After reducing the fraction, the answer is 221/210
6. In mixed form: 111/210

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