Add 1/18 and 40/50
1/18 + 40/50 is 77/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
1/18 = 1 × 25/18 × 25 = 25/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
40/50 = 40 × 9/50 × 9 = 360/450 - Add the two like fractions:
25/450 + 360/450 = 25 + 360/450 = 385/450 - 385/450 simplified gives 77/90
- So, 1/18 + 40/50 = 77/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18+40/50 1/18+80/50 1/36+40/50 3/18+40/50 1/54+40/50 5/18+40/50 1/90+40/50 7/18+40/50