Answers

Subtract 18/98 from 7/30

7/30 - 18/98 is 73/1470.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 98 is 1470
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1470
2. For the 1st fraction, since 30 × 49 = 1470,
   7/30 = 7 × 49/30 × 49 = 343/1470
3. Likewise, for the 2nd fraction, since 98 × 15 = 1470,
   18/98 = 18 × 15/98 × 15 = 270/1470
4. Subtract the two like fractions:
   343/1470 - 270/1470 = 343 - 270/1470 = 73/1470

MathStep (Works offline)

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

Related: ¹⁴/₃₀-¹⁸/₉₈ ⁷/₃₀-³⁶/₉₈ ⁷/₆₀-¹⁸/₉₈ ²¹/₃₀-¹⁸/₉₈ ⁷/₃₀-⁵⁴/₉₈ ⁷/₉₀-¹⁸/₉₈ ³⁵/₃₀-¹⁸/₉₈ ⁷/₃₀-⁹⁰/₉₈ ⁴⁹/₃₀-¹⁸/₉₈

Subtract Fractions Calculator