Subtract 45/6 from 49/20
1st number: 2 9/20, 2nd number: 7 3/6
49/20 - 45/6 is -101/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 6 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
49/20 = 49 × 3/20 × 3 = 147/60 - Likewise, for the 2nd fraction, since 6 × 10 = 60,
45/6 = 45 × 10/6 × 10 = 450/60 - Subtract the two like fractions:
147/60 - 450/60 = 147 - 450/60 = -303/60 - After reducing the fraction, the answer is -101/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/20-45/6 49/20-90/6 49/40-45/6 49/20-45/12 49/60-45/6 49/20-45/18 49/20-45/30 49/20-45/42