Answers

Subtract 7/10 from 2/27

2/27 - 7/10 is -169/270.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 10 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 27 × 10 = 270,
   2/27 = 2 × 10/27 × 10 = 20/270
3. Likewise, for the 2nd fraction, since 10 × 27 = 270,
   7/10 = 7 × 27/10 × 27 = 189/270
4. Subtract the two like fractions:
   20/270 - 189/270 = 20 - 189/270 = -169/270

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