Answers

Subtract 7/10 from 2/7

2/7 - 7/10 is -29/70.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 10 is 70
2. For the 1st fraction, since 7 × 10 = 70,
   2/7 = 2 × 10/7 × 10 = 20/70
3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
   7/10 = 7 × 7/10 × 7 = 49/70
4. Subtract the two fractions:
   20/70 - 49/70 = 20 - 49/70 = -29/70

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