Subtract 49/8 from 45/25
1st number: 1 20/25, 2nd number: 6 1/8
45/25 - 49/8 is -173/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
45/25 = 45 × 8/25 × 8 = 360/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
49/8 = 49 × 25/8 × 25 = 1225/200 - Subtract the two like fractions:
360/200 - 1225/200 = 360 - 1225/200 = -865/200 - After reducing the fraction, the answer is -173/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/25-49/8 45/25-98/8 45/50-49/8 45/25-49/16 45/75-49/8 45/25-49/24 45/25-49/40 45/25-49/56