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Subtract 21/72 from 49/28

1st number: 1 21/28, 2nd number: 21/72

49/28 - 21/72 is 35/24.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 28 × 18 = 504,
    49/28 = 49 × 18/28 × 18 = 882/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    21/72 = 21 × 7/72 × 7 = 147/504
  4. Subtract the two like fractions:
    882/504 - 147/504 = 882 - 147/504 = 735/504
  5. After reducing the fraction, the answer is 35/24
  6. In mixed form: 111/24

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