Add 21/50 and 90/60
1st number: 21/50, 2nd number: 1 30/60
21/50 + 90/60 is 48/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 60 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 50 × 6 = 300,
21/50 = 21 × 6/50 × 6 = 126/300 - Likewise, for the 2nd fraction, since 60 × 5 = 300,
90/60 = 90 × 5/60 × 5 = 450/300 - Add the two like fractions:
126/300 + 450/300 = 126 + 450/300 = 576/300 - 576/300 simplified gives 48/25
- So, 21/50 + 90/60 = 48/25
In mixed form: 123/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/50+90/60 63/50+90/60