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Subtract 7/63 from 28/10

1st number: 2 8/10, 2nd number: 7/63

28/10 - 7/63 is 121/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 63 is 630
  2. For the 1st fraction, since 10 × 63 = 630,
    28/10 = 28 × 63/10 × 63 = 1764/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    7/63 = 7 × 10/63 × 10 = 70/630
  4. Subtract the two fractions:
    1764/630 - 70/630 = 1764 - 70/630 = 1694/630
  5. After reducing the fraction, the answer is 121/45
  6. In mixed form: 231/45

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