Add 90/30 and 81/6
1st number: 3 0/30, 2nd number: 13 3/6
90/30 + 81/6 is 33/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
90/30 = 90 × 1/30 × 1 = 90/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
81/6 = 81 × 5/6 × 5 = 405/30 - Add the two like fractions:
90/30 + 405/30 = 90 + 405/30 = 495/30 - 495/30 simplified gives 33/2
- So, 90/30 + 81/6 = 33/2
In mixed form: 161/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+81/6 90/30+81/12 90/30+81/18 90/30+81/30 90/30+81/42