Answers

Subtract 3/45 from 6/40

6/40 - 3/45 is 1/12.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 45 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   6/40 = 6 × 9/40 × 9 = 54/360
3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
   3/45 = 3 × 8/45 × 8 = 24/360
4. Subtract the two like fractions:
   54/360 - 24/360 = 54 - 24/360 = 30/360
5. After reducing the fraction, the answer is 1/12

MathStep (Works offline)

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

Related: ¹²/₄₀-³/₄₅ ⁶/₄₀-⁶/₄₅ ⁶/₈₀-³/₄₅ ⁶/₄₀-³/₉₀ ¹⁸/₄₀-³/₄₅ ⁶/₄₀-⁹/₄₅ ³⁰/₄₀-³/₄₅ ⁶/₄₀-¹⁵/₄₅ ⁴²/₄₀-³/₄₅ ⁶/₄₀-²¹/₄₅

Subtract Fractions Calculator