Add 90/45 and 6/30
1st number: 2 0/45, 2nd number: 6/30
90/45 + 6/30 is 11/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
90/45 = 90 × 2/45 × 2 = 180/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
6/30 = 6 × 3/30 × 3 = 18/90 - Add the two like fractions:
180/90 + 18/90 = 180 + 18/90 = 198/90 - 198/90 simplified gives 11/5
- So, 90/45 + 6/30 = 11/5
In mixed form: 21/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/45+12/30 90/45+6/60 90/45+18/30 90/45+6/90 90/45+42/30