Add 90/50 and 8/90
1st number: 1 40/50, 2nd number: 8/90
90/50 + 8/90 is 17/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 90 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 90 × 5 = 450,
8/90 = 8 × 5/90 × 5 = 40/450 - Add the two like fractions:
810/450 + 40/450 = 810 + 40/450 = 850/450 - 850/450 simplified gives 17/9
- So, 90/50 + 8/90 = 17/9
In mixed form: 18/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/50+16/90 90/50+24/90 90/50+40/90 90/50+56/90