Subtract 49/18 from 60/40
1st number: 1 20/40, 2nd number: 2 13/18
60/40 - 49/18 is -11/9.
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,
60/40 = 60 × 9/40 × 9 = 540/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
49/18 = 49 × 20/18 × 20 = 980/360 - Subtract the two like fractions:
540/360 - 980/360 = 540 - 980/360 = -440/360 - After reducing the fraction, the answer is -11/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/40-98/18 60/80-49/18 60/40-49/36 60/40-49/54 60/40-49/90