Add 90/50 and 60/18
1st number: 1 40/50, 2nd number: 3 6/18
90/50 + 60/18 is 77/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
90/50 = 90 × 9/50 × 9 = 810/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
60/18 = 60 × 25/18 × 25 = 1500/450 - Add the two like fractions:
810/450 + 1500/450 = 810 + 1500/450 = 2310/450 - 2310/450 simplified gives 77/15
- So, 90/50 + 60/18 = 77/15
In mixed form: 52/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/50+60/36 90/50+60/54 90/50+60/90