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Subtract 9/49 from 21/15

1st number: 1 6/15, 2nd number: 9/49

21/15 - 9/49 is 298/245.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 49 is 735

    Next, find the equivalent fraction of both fractional numbers with denominator 735
  2. For the 1st fraction, since 15 × 49 = 735,
    21/15 = 21 × 49/15 × 49 = 1029/735
  3. Likewise, for the 2nd fraction, since 49 × 15 = 735,
    9/49 = 9 × 15/49 × 15 = 135/735
  4. Subtract the two like fractions:
    1029/735 - 135/735 = 1029 - 135/735 = 894/735
  5. After reducing the fraction, the answer is 298/245
  6. In mixed form: 153/245

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