Subtract 98/5 from 15/20
1st number: 15/20, 2nd number: 19 3/5
15/20 - 98/5 is -377/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
15/20 = 15 × 1/20 × 1 = 15/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
98/5 = 98 × 4/5 × 4 = 392/20 - Subtract the two like fractions:
15/20 - 392/20 = 15 - 392/20 = -377/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/20-98/5 15/40-98/5 15/20-98/10 45/20-98/5 15/60-98/5 15/20-98/15 75/20-98/5 15/20-98/25 15/20-98/35