Add 75/50 and 18/90
1st number: 1 25/50, 2nd number: 18/90
75/50 + 18/90 is 17/10.
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,
75/50 = 75 × 9/50 × 9 = 675/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
18/90 = 18 × 5/90 × 5 = 90/450 - Add the two like fractions:
675/450 + 90/450 = 675 + 90/450 = 765/450 - 765/450 simplified gives 17/10
- So, 75/50 + 18/90 = 17/10
In mixed form: 17/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/50+36/90 75/50+54/90