Answers

Subtract 40/7 from 54/5

1^st number: 10 4/5, 2^nd number: 5 5/7

54/5 - 40/7 is 178/35.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 7 is 35
   
   Next, find the equivalent fraction of both fractional numbers with denominator 35
2. For the 1st fraction, since 5 × 7 = 35,
   54/5 = 54 × 7/5 × 7 = 378/35
3. Likewise, for the 2nd fraction, since 7 × 5 = 35,
   40/7 = 40 × 5/7 × 5 = 200/35
4. Subtract the two like fractions:
   378/35 - 200/35 = 378 - 200/35 = 178/35
5. In mixed form: 53/35

MathStep (Works offline)

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

Related: ⁵⁴/₅-⁸⁰/₇ ⁵⁴/₁₀-⁴⁰/₇ ⁵⁴/₅-⁴⁰/₁₄ ⁵⁴/₁₅-⁴⁰/₇ ⁵⁴/₅-⁴⁰/₂₁ ⁵⁴/₂₅-⁴⁰/₇ ⁵⁴/₅-⁴⁰/₃₅ ⁵⁴/₃₅-⁴⁰/₇ ⁵⁴/₅-⁴⁰/₄₉

Subtract Fractions Calculator