Subtract 8/5 from 70/98
1st number: 70/98, 2nd number: 1 3/5
70/98 - 8/5 is -31/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 5 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
70/98 = 70 × 5/98 × 5 = 350/490 - Likewise, for the 2nd fraction, since 5 × 98 = 490,
8/5 = 8 × 98/5 × 98 = 784/490 - Subtract the two like fractions:
350/490 - 784/490 = 350 - 784/490 = -434/490 - After reducing the fraction, the answer is -31/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/98-16/5 70/98-8/10 70/98-24/5 70/98-8/15 70/98-40/5 70/98-8/25 70/98-56/5 70/98-8/35