Add 30/20 and 12/25
1st number: 1 10/20, 2nd number: 12/25
30/20 + 12/25 is 99/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
30/20 = 30 × 5/20 × 5 = 150/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
12/25 = 12 × 4/25 × 4 = 48/100 - Add the two like fractions:
150/100 + 48/100 = 150 + 48/100 = 198/100 - 198/100 simplified gives 99/50
- So, 30/20 + 12/25 = 99/50
In mixed form: 149/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+12/25 30/20+24/25 30/40+12/25 30/20+12/50 90/20+12/25 30/20+36/25 30/60+12/25 30/20+12/75 30/20+60/25 30/20+84/25