Add 90/30 and 72/50
1st number: 3 0/30, 2nd number: 1 22/50
90/30 + 72/50 is 111/25.
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,
72/50 = 72 × 3/50 × 3 = 216/150 - Add the two like fractions:
450/150 + 216/150 = 450 + 216/150 = 666/150 - 666/150 simplified gives 111/25
- So, 90/30 + 72/50 = 111/25
In mixed form: 411/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+72/50