Add 16/40 and 90/9
1st number: 16/40, 2nd number: 10 0/9
16/40 + 90/9 is 52/5.
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,
16/40 = 16 × 9/40 × 9 = 144/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
90/9 = 90 × 40/9 × 40 = 3600/360 - Add the two like fractions:
144/360 + 3600/360 = 144 + 3600/360 = 3744/360 - 3744/360 simplified gives 52/5
- So, 16/40 + 90/9 = 52/5
In mixed form: 102/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/40+90/9 16/80+90/9 16/40+90/18 48/40+90/9 16/40+90/27 80/40+90/9 16/40+90/45 16/40+90/63