Answers

Subtract 75/90 from 98/30

1^st number: 3 8/30, 2^nd number: 75/90

98/30 - 75/90 is 73/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 30 × 3 = 90,
   98/30 = 98 × 3/30 × 3 = 294/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   75/90 = 75 × 1/90 × 1 = 75/90
4. Subtract the two like fractions:
   294/90 - 75/90 = 294 - 75/90 = 219/90
5. After reducing the fraction, the answer is 73/30
6. In mixed form: 213/30

MathStep (Works offline)

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

Related: ⁹⁸/₆₀-⁷⁵/₉₀ ⁹⁸/₉₀-⁷⁵/₉₀

Subtract Fractions Calculator