Add 3/40 and 54/9
1st number: 3/40, 2nd number: 6 0/9
3/40 + 54/9 is 243/40.
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,
3/40 = 3 × 9/40 × 9 = 27/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
54/9 = 54 × 40/9 × 40 = 2160/360 - Add the two like fractions:
27/360 + 2160/360 = 27 + 2160/360 = 2187/360 - 2187/360 simplified gives 243/40
- So, 3/40 + 54/9 = 243/40
In mixed form: 63/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/40+54/9 3/80+54/9 3/40+54/18 9/40+54/9 3/40+54/27 15/40+54/9 3/40+54/45 21/40+54/9 3/40+54/63