Subtract 40/9 from 49/8
1st number: 6 1/8, 2nd number: 4 4/9
49/8 - 40/9 is 121/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
49/8 = 49 × 9/8 × 9 = 441/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
40/9 = 40 × 8/9 × 8 = 320/72 - Subtract the two like fractions:
441/72 - 320/72 = 441 - 320/72 = 121/72 - In mixed form: 149/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/8-40/9 49/8-80/9 49/16-40/9 49/8-40/18 49/24-40/9 49/8-40/27 49/40-40/9 49/8-40/45 49/56-40/9 49/8-40/63