Subtract 7/9 from 54/40
1st number: 1 14/40, 2nd number: 7/9
54/40 - 7/9 is 103/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 9 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
54/40 = 54 × 9/40 × 9 = 486/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
7/9 = 7 × 40/9 × 40 = 280/360 - Subtract the two like fractions:
486/360 - 280/360 = 486 - 280/360 = 206/360 - After reducing the fraction, the answer is 103/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/40-14/9 54/80-7/9 54/40-7/18 54/40-21/9 54/40-7/27 54/40-35/9 54/40-7/45 54/40-49/9 54/40-7/63