Subtract 1/10 from 42/98
42/98 - 1/10 is 23/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
42/98 = 42 × 5/98 × 5 = 210/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
1/10 = 1 × 49/10 × 49 = 49/490 - Subtract the two like fractions:
210/490 - 49/490 = 210 - 49/490 = 161/490 - After reducing the fraction, the answer is 23/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/98-1/10 42/98-2/10 42/98-1/20 42/98-3/10 42/98-1/30 42/98-5/10 42/98-1/50 42/98-7/10 42/98-1/70