Add 50/40 and 7/90
1st number: 1 10/40, 2nd number: 7/90
50/40 + 7/90 is 239/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 90 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 90 × 4 = 360,
7/90 = 7 × 4/90 × 4 = 28/360 - Add the two like fractions:
450/360 + 28/360 = 450 + 28/360 = 478/360 - 478/360 simplified gives 239/180
- So, 50/40 + 7/90 = 239/180
In mixed form: 159/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/40+14/90 50/80+7/90 50/40+21/90 50/40+35/90 50/40+49/90