Add 50/60 and 20/45
50/60 + 20/45 is 23/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
50/60 = 50 × 3/60 × 3 = 150/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
20/45 = 20 × 4/45 × 4 = 80/180 - Add the two like fractions:
150/180 + 80/180 = 150 + 80/180 = 230/180 - 230/180 simplified gives 23/18
- So, 50/60 + 20/45 = 23/18
In mixed form: 15/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/60+40/45 50/60+20/90 50/60+60/45