Subtract 98/70 from 6/9
1st number: 6/9, 2nd number: 1 28/70
6/9 - 98/70 is -11/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
6/9 = 6 × 70/9 × 70 = 420/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
98/70 = 98 × 9/70 × 9 = 882/630 - Subtract the two like fractions:
420/630 - 882/630 = 420 - 882/630 = -462/630 - After reducing the fraction, the answer is -11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/9-98/70 6/18-98/70 18/9-98/70 6/27-98/70 30/9-98/70 6/45-98/70 42/9-98/70 6/63-98/70