Subtract 9/80 from 49/20
1st number: 2 9/20, 2nd number: 9/80
49/20 - 9/80 is 187/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
49/20 = 49 × 4/20 × 4 = 196/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
9/80 = 9 × 1/80 × 1 = 9/80 - Subtract the two like fractions:
196/80 - 9/80 = 196 - 9/80 = 187/80 - In mixed form: 227/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/20-9/80 49/20-18/80 49/40-9/80 49/20-27/80 49/60-9/80 49/20-45/80 49/20-63/80