Answers

Subtract 7/70 from 7/98

7/98 - 7/70 is -1/35.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 70 is 490
   
   Next, find the equivalent fraction of both fractional numbers with denominator 490
2. For the 1st fraction, since 98 × 5 = 490,
   7/98 = 7 × 5/98 × 5 = 35/490
3. Likewise, for the 2nd fraction, since 70 × 7 = 490,
   7/70 = 7 × 7/70 × 7 = 49/490
4. Subtract the two like fractions:
   35/490 - 49/490 = 35 - 49/490 = -14/490
5. After reducing the fraction, the answer is -1/35

MathStep (Works offline)

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

Related: ¹⁴/₉₈-⁷/₇₀ ⁷/₉₈-¹⁴/₇₀ ²¹/₉₈-⁷/₇₀ ⁷/₉₈-²¹/₇₀ ³⁵/₉₈-⁷/₇₀ ⁷/₉₈-³⁵/₇₀ ⁴⁹/₉₈-⁷/₇₀ ⁷/₉₈-⁴⁹/₇₀

Subtract Fractions Calculator