Answers

Subtract 4/50 from 7/18

7/18 - 4/50 is 139/450.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 50 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 18 × 25 = 450,
   7/18 = 7 × 25/18 × 25 = 175/450
3. Likewise, for the 2nd fraction, since 50 × 9 = 450,
   4/50 = 4 × 9/50 × 9 = 36/450
4. Subtract the two like fractions:
   175/450 - 36/450 = 175 - 36/450 = 139/450

MathStep (Works offline)

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

Related: ¹⁴/₁₈-⁴/₅₀ ⁷/₁₈-⁸/₅₀ ⁷/₃₆-⁴/₅₀ ²¹/₁₈-⁴/₅₀ ⁷/₁₈-¹²/₅₀ ⁷/₅₄-⁴/₅₀ ³⁵/₁₈-⁴/₅₀ ⁷/₁₈-²⁰/₅₀ ⁷/₉₀-⁴/₅₀ ⁴⁹/₁₈-⁴/₅₀ ⁷/₁₈-²⁸/₅₀

Subtract Fractions Calculator