Add 50/40 and 90/9
1st number: 1 10/40, 2nd number: 10 0/9
50/40 + 90/9 is 45/4.
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,
50/40 = 50 × 9/40 × 9 = 450/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
90/9 = 90 × 40/9 × 40 = 3600/360 - Add the two like fractions:
450/360 + 3600/360 = 450 + 3600/360 = 4050/360 - 4050/360 simplified gives 45/4
- So, 50/40 + 90/9 = 45/4
In mixed form: 111/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/80+90/9 50/40+90/18 50/40+90/27 50/40+90/45 50/40+90/63