Answers

Subtract 40/25 from 25/2

1^st number: 12 1/2, 2^nd number: 1 15/25

25/2 - 40/25 is 109/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 25 is 50
   
   Next, find the equivalent fraction of both fractional numbers with denominator 50
2. For the 1st fraction, since 2 × 25 = 50,
   25/2 = 25 × 25/2 × 25 = 625/50
3. Likewise, for the 2nd fraction, since 25 × 2 = 50,
   40/25 = 40 × 2/25 × 2 = 80/50
4. Subtract the two like fractions:
   625/50 - 80/50 = 625 - 80/50 = 545/50
5. After reducing the fraction, the answer is 109/10
6. In mixed form: 109/10

MathStep (Works offline)

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

Related: ⁵⁰/₂-⁴⁰/₂₅ ²⁵/₂-⁸⁰/₂₅ ²⁵/₄-⁴⁰/₂₅ ²⁵/₂-⁴⁰/₅₀ ⁷⁵/₂-⁴⁰/₂₅ ²⁵/₆-⁴⁰/₂₅ ²⁵/₂-⁴⁰/₇₅ ²⁵/₁₀-⁴⁰/₂₅ ²⁵/₁₄-⁴⁰/₂₅

Subtract Fractions Calculator