Add 40/50 and 10/90
40/50 + 10/90 is 41/45.
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,
40/50 = 40 × 9/50 × 9 = 360/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
10/90 = 10 × 5/90 × 5 = 50/450 - Add the two like fractions:
360/450 + 50/450 = 360 + 50/450 = 410/450 - 410/450 simplified gives 41/45
- So, 40/50 + 10/90 = 41/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/50+10/90 40/50+20/90 40/50+30/90 40/50+50/90 40/50+70/90