Add 8/50 and 21/90
8/50 + 21/90 is 59/150.
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,
8/50 = 8 × 9/50 × 9 = 72/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
21/90 = 21 × 5/90 × 5 = 105/450 - Add the two like fractions:
72/450 + 105/450 = 72 + 105/450 = 177/450 - 177/450 simplified gives 59/150
- So, 8/50 + 21/90 = 59/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/50+21/90 8/50+42/90 24/50+21/90 8/50+63/90 40/50+21/90 56/50+21/90