Answers

Subtract 7/63 from 54/45

1^st number: 1 9/45, 2^nd number: 7/63

54/45 - 7/63 is 49/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 63 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 45 × 7 = 315,
   54/45 = 54 × 7/45 × 7 = 378/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   7/63 = 7 × 5/63 × 5 = 35/315
4. Subtract the two like fractions:
   378/315 - 35/315 = 378 - 35/315 = 343/315
5. After reducing the fraction, the answer is 49/45
6. In mixed form: 14/45

MathStep (Works offline)

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

Related: ⁵⁴/₄₅-¹⁴/₆₃ ⁵⁴/₉₀-⁷/₆₃ ⁵⁴/₄₅-²¹/₆₃ ⁵⁴/₄₅-³⁵/₆₃ ⁵⁴/₄₅-⁴⁹/₆₃

Subtract Fractions Calculator