Answers

Subtract 6/10 from 7/90

7/90 - 6/10 is -47/90.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 10 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   7/90 = 7 × 1/90 × 1 = 7/90
3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
   6/10 = 6 × 9/10 × 9 = 54/90
4. Subtract the two like fractions:
   7/90 - 54/90 = 7 - 54/90 = -47/90

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