Answers

Subtract 10/90 from 27/30

27/30 - 10/90 is 71/90.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 30 × 3 = 90,
   27/30 = 27 × 3/30 × 3 = 81/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   10/90 = 10 × 1/90 × 1 = 10/90
4. Subtract the two like fractions:
   81/90 - 10/90 = 81 - 10/90 = 71/90

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