Add 3/45 and 21/50
3/45 + 21/50 is 73/150.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 45 × 10 = 450,
3/45 = 3 × 10/45 × 10 = 30/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
21/50 = 21 × 9/50 × 9 = 189/450 - Add the two like fractions:
30/450 + 189/450 = 30 + 189/450 = 219/450 - 219/450 simplified gives 73/150
- So, 3/45 + 21/50 = 73/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/45+21/50 3/45+42/50 3/90+21/50 9/45+21/50 3/45+63/50 15/45+21/50 21/45+21/50