Add 90/30 and 15/50
1st number: 3 0/30, 2nd number: 15/50
90/30 + 15/50 is 33/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
90/30 = 90 × 5/30 × 5 = 450/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
15/50 = 15 × 3/50 × 3 = 45/150 - Add the two like fractions:
450/150 + 45/150 = 450 + 45/150 = 495/150 - 495/150 simplified gives 33/10
- So, 90/30 + 15/50 = 33/10
In mixed form: 33/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+30/50 90/60+15/50 90/30+45/50 90/30+75/50