Add 4/9 and 8/40
4/9 + 8/40 is 29/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 9 × 40 = 360,
4/9 = 4 × 40/9 × 40 = 160/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
8/40 = 8 × 9/40 × 9 = 72/360 - Add the two like fractions:
160/360 + 72/360 = 160 + 72/360 = 232/360 - 232/360 simplified gives 29/45
- So, 4/9 + 8/40 = 29/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/9+8/40 4/9+16/40 4/18+8/40 4/9+8/80 12/9+8/40 4/9+24/40 4/27+8/40 20/9+8/40 4/45+8/40 28/9+8/40 4/9+56/40 4/63+8/40