Subtract 60/9 from 28/70
1st number: 28/70, 2nd number: 6 6/9
28/70 - 60/9 is -94/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
28/70 = 28 × 9/70 × 9 = 252/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
60/9 = 60 × 70/9 × 70 = 4200/630 - Subtract the two like fractions:
252/630 - 4200/630 = 252 - 4200/630 = -3948/630 - After reducing the fraction, the answer is -94/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/70-60/9 28/70-60/18 84/70-60/9 28/70-60/27 28/70-60/45 28/70-60/63