Subtract 98/70 from 5/9
1st number: 5/9, 2nd number: 1 28/70
5/9 - 98/70 is -38/45.
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,
5/9 = 5 × 70/9 × 70 = 350/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
98/70 = 98 × 9/70 × 9 = 882/630 - Subtract the two like fractions:
350/630 - 882/630 = 350 - 882/630 = -532/630 - After reducing the fraction, the answer is -38/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/9-98/70 5/18-98/70 15/9-98/70 5/27-98/70 25/9-98/70 5/45-98/70 35/9-98/70 5/63-98/70