Subtract 20/98 from 8/10
8/10 - 20/98 is 146/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
8/10 = 8 × 49/10 × 49 = 392/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
20/98 = 20 × 5/98 × 5 = 100/490 - Subtract the two like fractions:
392/490 - 100/490 = 392 - 100/490 = 292/490 - After reducing the fraction, the answer is 146/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/10-20/98 8/10-40/98 8/20-20/98 24/10-20/98 8/10-60/98 8/30-20/98 40/10-20/98 8/50-20/98 56/10-20/98 8/70-20/98