Add 54/40 and 40/9
1st number: 1 14/40, 2nd number: 4 4/9
54/40 + 40/9 is 1043/180.
Steps for adding 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,
40/9 = 40 × 40/9 × 40 = 1600/360 - Add the two like fractions:
486/360 + 1600/360 = 486 + 1600/360 = 2086/360 - 2086/360 simplified gives 1043/180
- So, 54/40 + 40/9 = 1043/180
In mixed form: 5143/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/40+80/9 54/80+40/9 54/40+40/18 54/40+40/27 54/40+40/45 54/40+40/63