Answers

Subtract 63/30 from 8/98

1^st number: 8/98, 2^nd number: 2 3/30

8/98 - 63/30 is -989/490.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 30 is 1470
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1470
2. For the 1st fraction, since 98 × 15 = 1470,
   8/98 = 8 × 15/98 × 15 = 120/1470
3. Likewise, for the 2nd fraction, since 30 × 49 = 1470,
   63/30 = 63 × 49/30 × 49 = 3087/1470
4. Subtract the two like fractions:
   120/1470 - 3087/1470 = 120 - 3087/1470 = -2967/1470
5. After reducing the fraction, the answer is -989/490

MathStep (Works offline)

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

Related: ¹⁶/₉₈-⁶³/₃₀ ⁸/₉₈-⁶³/₆₀ ²⁴/₉₈-⁶³/₃₀ ⁸/₉₈-⁶³/₉₀ ⁴⁰/₉₈-⁶³/₃₀ ⁵⁶/₉₈-⁶³/₃₀

Subtract Fractions Calculator