Subtract 15/27 from 98/20
1st number: 4 18/20, 2nd number: 15/27
98/20 - 15/27 is 391/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
98/20 = 98 × 27/20 × 27 = 2646/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
15/27 = 15 × 20/27 × 20 = 300/540 - Subtract the two like fractions:
2646/540 - 300/540 = 2646 - 300/540 = 2346/540 - After reducing the fraction, the answer is 391/90
- In mixed form: 431/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/20-30/27 98/40-15/27 98/20-15/54 98/20-45/27 98/60-15/27 98/20-15/81 98/20-75/27