Answers

Subtract 63/40 from 4/9

1^st number: 4/9, 2^nd number: 1 23/40

4/9 - 63/40 is -407/360.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 9 × 40 = 360,
   4/9 = 4 × 40/9 × 40 = 160/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   63/40 = 63 × 9/40 × 9 = 567/360
4. Subtract the two like fractions:
   160/360 - 567/360 = 160 - 567/360 = -407/360

MathStep (Works offline)

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

Related: ⁸/₉-⁶³/₄₀ ⁴/₁₈-⁶³/₄₀ ⁴/₉-⁶³/₈₀ ¹²/₉-⁶³/₄₀ ⁴/₂₇-⁶³/₄₀ ²⁰/₉-⁶³/₄₀ ⁴/₄₅-⁶³/₄₀ ²⁸/₉-⁶³/₄₀ ⁴/₆₃-⁶³/₄₀

Subtract Fractions Calculator