Add 3/25 and 45/90
3/25 + 45/90 is 31/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
3/25 = 3 × 18/25 × 18 = 54/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
45/90 = 45 × 5/90 × 5 = 225/450 - Add the two like fractions:
54/450 + 225/450 = 54 + 225/450 = 279/450 - 279/450 simplified gives 31/50
- So, 3/25 + 45/90 = 31/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/25+45/90 3/50+45/90 9/25+45/90 3/75+45/90 15/25+45/90 21/25+45/90