Subtract 25/18 from 49/40
1st number: 1 9/40, 2nd number: 1 7/18
49/40 - 25/18 is -59/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
49/40 = 49 × 9/40 × 9 = 441/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
25/18 = 25 × 20/18 × 20 = 500/360 - Subtract the two like fractions:
441/360 - 500/360 = 441 - 500/360 = -59/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/40-25/18 49/40-50/18 49/80-25/18 49/40-25/36 49/40-75/18 49/40-25/54 49/40-25/90