Add 21/50 and 10/30
21/50 + 10/30 is 113/150.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 50 × 3 = 150,
21/50 = 21 × 3/50 × 3 = 63/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
10/30 = 10 × 5/30 × 5 = 50/150 - Add the two like fractions:
63/150 + 50/150 = 63 + 50/150 = 113/150 - So, 21/50 + 10/30 = 113/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/50+10/30 21/50+20/30 21/50+10/60 63/50+10/30 21/50+10/90 21/50+50/30 21/50+70/30