Add 84/25 and 4/90
1st number: 3 9/25, 2nd number: 4/90
84/25 + 4/90 is 766/225.
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,
4/90 = 4 × 5/90 × 5 = 20/450 - Add the two like fractions:
1512/450 + 20/450 = 1512 + 20/450 = 1532/450 - 1532/450 simplified gives 766/225
- So, 84/25 + 4/90 = 766/225
In mixed form: 391/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/25+8/90 84/50+4/90 84/25+12/90 84/75+4/90 84/25+20/90 84/25+28/90