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Subtract 7/63 from 15/8

1st number: 1 7/8, 2nd number: 7/63

15/8 - 7/63 is 127/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 63 is 504
  2. For the 1st fraction, since 8 × 63 = 504,
    15/8 = 15 × 63/8 × 63 = 945/504
  3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
    7/63 = 7 × 8/63 × 8 = 56/504
  4. Subtract the two fractions:
    945/504 - 56/504 = 945 - 56/504 = 889/504
  5. After reducing the fraction, the answer is 127/72
  6. In mixed form: 155/72

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