Add 12/75 and 90/30
1st number: 12/75, 2nd number: 3 0/30
12/75 + 90/30 is 79/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
12/75 = 12 × 2/75 × 2 = 24/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
90/30 = 90 × 5/30 × 5 = 450/150 - Add the two like fractions:
24/150 + 450/150 = 24 + 450/150 = 474/150 - 474/150 simplified gives 79/25
- So, 12/75 + 90/30 = 79/25
In mixed form: 34/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/75+90/30 12/75+90/60 36/75+90/30 60/75+90/30 84/75+90/30