Add 84/25 and 3/90
1st number: 3 9/25, 2nd number: 3/90
84/25 + 3/90 is 509/150.
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,
84/25 = 84 × 18/25 × 18 = 1512/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
3/90 = 3 × 5/90 × 5 = 15/450 - Add the two like fractions:
1512/450 + 15/450 = 1512 + 15/450 = 1527/450 - 1527/450 simplified gives 509/150
- So, 84/25 + 3/90 = 509/150
In mixed form: 359/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/25+6/90 84/50+3/90 84/25+9/90 84/75+3/90 84/25+15/90 84/25+21/90