Answers

Subtract 45/25 from 36/40

1^st number: 36/40, 2^nd number: 1 20/25

36/40 - 45/25 is -9/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 25 is 200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 200
2. For the 1st fraction, since 40 × 5 = 200,
   36/40 = 36 × 5/40 × 5 = 180/200
3. Likewise, for the 2nd fraction, since 25 × 8 = 200,
   45/25 = 45 × 8/25 × 8 = 360/200
4. Subtract the two like fractions:
   180/200 - 360/200 = 180 - 360/200 = -180/200
5. After reducing the fraction, the answer is -9/10

MathStep (Works offline)

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

Related: ⁷²/₄₀-⁴⁵/₂₅ ³⁶/₄₀-⁹⁰/₂₅ ³⁶/₈₀-⁴⁵/₂₅ ³⁶/₄₀-⁴⁵/₅₀ ³⁶/₄₀-⁴⁵/₇₅

Subtract Fractions Calculator