Add 4/12 and 90/30
1st number: 4/12, 2nd number: 3 0/30
4/12 + 90/30 is 10/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
4/12 = 4 × 5/12 × 5 = 20/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
90/30 = 90 × 2/30 × 2 = 180/60 - Add the two like fractions:
20/60 + 180/60 = 20 + 180/60 = 200/60 - 200/60 simplified gives 10/3
- So, 4/12 + 90/30 = 10/3
In mixed form: 31/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/12+90/30 4/24+90/30 4/12+90/60 4/36+90/30 20/12+90/30 4/60+90/30 28/12+90/30 4/84+90/30