Add 8/90 and 90/30
1st number: 8/90, 2nd number: 3 0/30
8/90 + 90/30 is 139/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
8/90 = 8 × 1/90 × 1 = 8/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
90/30 = 90 × 3/30 × 3 = 270/90 - Add the two like fractions:
8/90 + 270/90 = 8 + 270/90 = 278/90 - 278/90 simplified gives 139/45
- So, 8/90 + 90/30 = 139/45
In mixed form: 34/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/90+90/30 8/90+90/60 24/90+90/30 40/90+90/30 56/90+90/30