Answers

Subtract 32/90 from 98/20

1^st number: 4 18/20, 2^nd number: 32/90

98/20 - 32/90 is 409/90.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 20 × 9 = 180,
   98/20 = 98 × 9/20 × 9 = 882/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   32/90 = 32 × 2/90 × 2 = 64/180
4. Subtract the two like fractions:
   882/180 - 64/180 = 882 - 64/180 = 818/180
5. After reducing the fraction, the answer is 409/90
6. In mixed form: 449/90

MathStep (Works offline)

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

Related: ⁹⁸/₂₀-⁶⁴/₉₀ ⁹⁸/₄₀-³²/₉₀ ⁹⁸/₂₀-⁹⁶/₉₀ ⁹⁸/₆₀-³²/₉₀

Subtract Fractions Calculator