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Subtract 35/42 from 21/5

1st number: 4 1/5, 2nd number: 35/42

21/5 - 35/42 is 101/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 5 × 42 = 210,
    21/5 = 21 × 42/5 × 42 = 882/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    35/42 = 35 × 5/42 × 5 = 175/210
  4. Subtract the two like fractions:
    882/210 - 175/210 = 882 - 175/210 = 707/210
  5. After reducing the fraction, the answer is 101/30
  6. In mixed form: 311/30

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