Subtract 98/80 from 2/5
1st number: 2/5, 2nd number: 1 18/80
2/5 - 98/80 is -33/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
2/5 = 2 × 16/5 × 16 = 32/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
98/80 = 98 × 1/80 × 1 = 98/80 - Subtract the two like fractions:
32/80 - 98/80 = 32 - 98/80 = -66/80 - After reducing the fraction, the answer is -33/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/5-98/80 2/10-98/80 6/5-98/80 2/15-98/80 10/5-98/80 2/25-98/80 14/5-98/80 2/35-98/80