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Subtract 21/80 from 30/14

1st number: 2 2/14, 2nd number: 21/80

30/14 - 21/80 is 1053/560.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 14 × 40 = 560,
    30/14 = 30 × 40/14 × 40 = 1200/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    21/80 = 21 × 7/80 × 7 = 147/560
  4. Subtract the two like fractions:
    1200/560 - 147/560 = 1200 - 147/560 = 1053/560
  5. In mixed form: 1493/560

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