Add 20/50 and 21/32
20/50 + 21/32 is 169/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 32 is 800
Next, find the equivalent fraction of both fractional numbers with denominator 800 - For the 1st fraction, since 50 × 16 = 800,
20/50 = 20 × 16/50 × 16 = 320/800 - Likewise, for the 2nd fraction, since 32 × 25 = 800,
21/32 = 21 × 25/32 × 25 = 525/800 - Add the two like fractions:
320/800 + 525/800 = 320 + 525/800 = 845/800 - 845/800 simplified gives 169/160
- So, 20/50 + 21/32 = 169/160
In mixed form: 19/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/50+21/32 20/50+42/32 20/50+21/64 60/50+21/32 20/50+63/32 20/50+21/96