Subtract 30/49 from 98/70
1st number: 1 28/70, 2nd number: 30/49
98/70 - 30/49 is 193/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
98/70 = 98 × 7/70 × 7 = 686/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
30/49 = 30 × 10/49 × 10 = 300/490 - Subtract the two like fractions:
686/490 - 300/490 = 686 - 300/490 = 386/490 - After reducing the fraction, the answer is 193/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/70-60/49 98/70-30/98 98/70-90/49