Add 50/20 and 1/90
1st number: 2 10/20, 2nd number: 1/90
50/20 + 1/90 is 113/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
50/20 = 50 × 9/20 × 9 = 450/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
1/90 = 1 × 2/90 × 2 = 2/180 - Add the two like fractions:
450/180 + 2/180 = 450 + 2/180 = 452/180 - 452/180 simplified gives 113/45
- So, 50/20 + 1/90 = 113/45
In mixed form: 223/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/20+2/90 50/40+1/90 50/20+3/90 50/60+1/90 50/20+5/90 50/20+7/90