Subtract 49/18 from 45/8
1st number: 5 5/8, 2nd number: 2 13/18
45/8 - 49/18 is 209/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
45/8 = 45 × 9/8 × 9 = 405/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
49/18 = 49 × 4/18 × 4 = 196/72 - Subtract the two like fractions:
405/72 - 196/72 = 405 - 196/72 = 209/72 - In mixed form: 265/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8-49/18 45/8-98/18 45/16-49/18 45/8-49/36 45/24-49/18 45/8-49/54 45/40-49/18 45/8-49/90 45/56-49/18