Answers

Subtract 84/9 from 54/40

1^st number: 1 14/40, 2^nd number: 9 3/9

54/40 - 84/9 is -479/60.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 9 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   54/40 = 54 × 9/40 × 9 = 486/360
3. Likewise, for the 2nd fraction, since 9 × 40 = 360,
   84/9 = 84 × 40/9 × 40 = 3360/360
4. Subtract the two like fractions:
   486/360 - 3360/360 = 486 - 3360/360 = -2874/360
5. After reducing the fraction, the answer is -479/60

MathStep (Works offline)

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

Related: ⁵⁴/₈₀-⁸⁴/₉ ⁵⁴/₄₀-⁸⁴/₁₈ ⁵⁴/₄₀-⁸⁴/₂₇ ⁵⁴/₄₀-⁸⁴/₄₅ ⁵⁴/₄₀-⁸⁴/₆₃

Subtract Fractions Calculator