Subtract 16/9 from 49/20
1st number: 2 9/20, 2nd number: 1 7/9
49/20 - 16/9 is 121/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
49/20 = 49 × 9/20 × 9 = 441/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
16/9 = 16 × 20/9 × 20 = 320/180 - Subtract the two like fractions:
441/180 - 320/180 = 441 - 320/180 = 121/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/20-16/9 49/20-32/9 49/40-16/9 49/20-16/18 49/20-48/9 49/60-16/9 49/20-16/27 49/20-80/9 49/20-16/45 49/20-16/63