Add 90/30 and 1/12
1st number: 3 0/30, 2nd number: 1/12
90/30 + 1/12 is 37/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
90/30 = 90 × 2/30 × 2 = 180/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
1/12 = 1 × 5/12 × 5 = 5/60 - Add the two like fractions:
180/60 + 5/60 = 180 + 5/60 = 185/60 - 185/60 simplified gives 37/12
- So, 90/30 + 1/12 = 37/12
In mixed form: 31/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+2/12 90/60+1/12 90/30+1/24 90/30+3/12 90/30+1/36 90/30+5/12 90/30+1/60 90/30+7/12 90/30+1/84