Add 90/50 and 75/90
1st number: 1 40/50, 2nd number: 75/90
90/50 + 75/90 is 79/30.
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,
75/90 = 75 × 5/90 × 5 = 375/450 - Add the two like fractions:
810/450 + 375/450 = 810 + 375/450 = 1185/450 - 1185/450 simplified gives 79/30
- So, 90/50 + 75/90 = 79/30
In mixed form: 219/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: