Add 30/10 and 84/90
1st number: 3 0/10, 2nd number: 84/90
30/10 + 84/90 is 59/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
30/10 = 30 × 9/10 × 9 = 270/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
84/90 = 84 × 1/90 × 1 = 84/90 - Add the two like fractions:
270/90 + 84/90 = 270 + 84/90 = 354/90 - 354/90 simplified gives 59/15
- So, 30/10 + 84/90 = 59/15
In mixed form: 314/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10+84/90 30/20+84/90 90/10+84/90 30/50+84/90 30/70+84/90