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Subtract 7/27 from 42/10

1st number: 4 2/10, 2nd number: 7/27

42/10 - 7/27 is 532/135.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 27 is 270
  2. For the 1st fraction, since 10 × 27 = 270,
    42/10 = 42 × 27/10 × 27 = 1134/270
  3. Likewise, for the 2nd fraction, since 27 × 10 = 270,
    7/27 = 7 × 10/27 × 10 = 70/270
  4. Subtract the two fractions:
    1134/270 - 70/270 = 1134 - 70/270 = 1064/270
  5. After reducing the fraction, the answer is 532/135
  6. In mixed form: 3127/135

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