Answers

Subtract 14/20 from 84/90

84/90 - 14/20 is 7/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 20 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 90 × 2 = 180,
   84/90 = 84 × 2/90 × 2 = 168/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   14/20 = 14 × 9/20 × 9 = 126/180
4. Subtract the two like fractions:
   168/180 - 126/180 = 168 - 126/180 = 42/180
5. After reducing the fraction, the answer is 7/30

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