Answers

Subtract 7/63 from 15/7

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

15/7 - 7/63 is 128/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 63 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 7 × 9 = 63,
   15/7 = 15 × 9/7 × 9 = 135/63
3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
   7/63 = 7 × 1/63 × 1 = 7/63
4. Subtract the two like fractions:
   135/63 - 7/63 = 135 - 7/63 = 128/63
5. In mixed form: 22/63

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ³⁰/₇-⁷/₆₃ ¹⁵/₇-¹⁴/₆₃ ¹⁵/₁₄-⁷/₆₃ ⁴⁵/₇-⁷/₆₃ ¹⁵/₇-²¹/₆₃ ¹⁵/₂₁-⁷/₆₃ ⁷⁵/₇-⁷/₆₃ ¹⁵/₇-³⁵/₆₃ ¹⁵/₃₅-⁷/₆₃ ¹⁵/₇-⁴⁹/₆₃ ¹⁵/₄₉-⁷/₆₃

Subtract Fractions Calculator