Add 30/20 and 24/40
1st number: 1 10/20, 2nd number: 24/40
30/20 + 24/40 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
30/20 = 30 × 2/20 × 2 = 60/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
24/40 = 24 × 1/40 × 1 = 24/40 - Add the two like fractions:
60/40 + 24/40 = 60 + 24/40 = 84/40 - 84/40 simplified gives 21/10
- So, 30/20 + 24/40 = 21/10
In mixed form: 21/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+24/40 30/20+48/40 30/40+24/40 30/20+24/80 90/20+24/40 30/20+72/40 30/60+24/40