Add 30/12 and 8/90
1st number: 2 6/12, 2nd number: 8/90
30/12 + 8/90 is 233/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
30/12 = 30 × 15/12 × 15 = 450/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
8/90 = 8 × 2/90 × 2 = 16/180 - Add the two like fractions:
450/180 + 16/180 = 450 + 16/180 = 466/180 - 466/180 simplified gives 233/90
- So, 30/12 + 8/90 = 233/90
In mixed form: 253/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12+8/90 30/12+16/90 30/24+8/90 90/12+8/90 30/12+24/90 30/36+8/90 30/12+40/90 30/60+8/90 30/12+56/90 30/84+8/90