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Subtract 40/49 from 42/10

1st number: 4 2/10, 2nd number: 40/49

42/10 - 40/49 is 829/245.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 49 is 490
  2. For the 1st fraction, since 10 × 49 = 490,
    42/10 = 42 × 49/10 × 49 = 2058/490
  3. Likewise, for the 2nd fraction, since 49 × 10 = 490,
    40/49 = 40 × 10/49 × 10 = 400/490
  4. Subtract the two fractions:
    2058/490 - 400/490 = 2058 - 400/490 = 1658/490
  5. After reducing the fraction, the answer is 829/245
  6. In mixed form: 394/245

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