Add 7/40 and 15/9
1st number: 7/40, 2nd number: 1 6/9
7/40 + 15/9 is 221/120.
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,
7/40 = 7 × 9/40 × 9 = 63/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
15/9 = 15 × 40/9 × 40 = 600/360 - Add the two like fractions:
63/360 + 600/360 = 63 + 600/360 = 663/360 - 663/360 simplified gives 221/120
- So, 7/40 + 15/9 = 221/120
In mixed form: 1101/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/40+15/9 7/40+30/9 7/80+15/9 7/40+15/18 21/40+15/9 7/40+45/9 7/40+15/27 35/40+15/9 7/40+75/9 7/40+15/45 49/40+15/9 7/40+15/63