Subtract 28/27 from 98/30
1st number: 3 8/30, 2nd number: 1 1/27
98/30 - 28/27 is 301/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
98/30 = 98 × 9/30 × 9 = 882/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
28/27 = 28 × 10/27 × 10 = 280/270 - Subtract the two like fractions:
882/270 - 280/270 = 882 - 280/270 = 602/270 - After reducing the fraction, the answer is 301/135
- In mixed form: 231/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/30-56/27 98/60-28/27 98/30-28/54 98/30-84/27 98/90-28/27 98/30-28/81