Add 12/4 and 30/25
1st number: 3 0/4, 2nd number: 1 5/25
12/4 + 30/25 is 21/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 4 × 25 = 100,
12/4 = 12 × 25/4 × 25 = 300/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
30/25 = 30 × 4/25 × 4 = 120/100 - Add the two like fractions:
300/100 + 120/100 = 300 + 120/100 = 420/100 - 420/100 simplified gives 21/5
- So, 12/4 + 30/25 = 21/5
In mixed form: 41/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/4+30/25 12/4+60/25 12/8+30/25 12/4+30/50 36/4+30/25 12/4+90/25 12/4+30/75 60/4+30/25 12/20+30/25 84/4+30/25 12/28+30/25