Answers

Subtract 98/45 from 40/49

1^st number: 40/49, 2^nd number: 2 8/45

40/49 - 98/45 is -3002/2205.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 45 is 2205
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2205
2. For the 1st fraction, since 49 × 45 = 2205,
   40/49 = 40 × 45/49 × 45 = 1800/2205
3. Likewise, for the 2nd fraction, since 45 × 49 = 2205,
   98/45 = 98 × 49/45 × 49 = 4802/2205
4. Subtract the two like fractions:
   1800/2205 - 4802/2205 = 1800 - 4802/2205 = -3002/2205

MathStep (Works offline)

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

Related: ⁸⁰/₄₉-⁹⁸/₄₅ ⁴⁰/₉₈-⁹⁸/₄₅ ⁴⁰/₄₉-⁹⁸/₉₀

Subtract Fractions Calculator