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Subtract 21/16 from 1/70

1st number: 1/70, 2nd number: 1 5/16

1/70 - 21/16 is -727/560.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 16 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 70 × 8 = 560,
    1/70 = 1 × 8/70 × 8 = 8/560
  3. Likewise, for the 2nd fraction, since 16 × 35 = 560,
    21/16 = 21 × 35/16 × 35 = 735/560
  4. Subtract the two like fractions:
    8/560 - 735/560 = 8 - 735/560 = -727/560

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