Add 21/9 and 50/30
1st number: 2 3/9, 2nd number: 1 20/30
21/9 + 50/30 is 4/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
21/9 = 21 × 10/9 × 10 = 210/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
50/30 = 50 × 3/30 × 3 = 150/90 - Add the two like fractions:
210/90 + 150/90 = 210 + 150/90 = 360/90 - 360/90 simplified gives 4/1
- So, 21/9 + 50/30 = 4/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/9+50/30 21/18+50/30 21/9+50/60 63/9+50/30 21/27+50/30 21/9+50/90 21/45+50/30 21/63+50/30