Answers

Subtract 4/9 from 2/7

2/7 - 4/9 is -10/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 9 is 63
2. For the 1st fraction, since 7 × 9 = 63,
   2/7 = 2 × 9/7 × 9 = 18/63
3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
   4/9 = 4 × 7/9 × 7 = 28/63
4. Subtract the two fractions:
   18/63 - 28/63 = 18 - 28/63 = -10/63

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