Add 90/25 and 40/9
1st number: 3 15/25, 2nd number: 4 4/9
90/25 + 40/9 is 362/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 9 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
90/25 = 90 × 9/25 × 9 = 810/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
40/9 = 40 × 25/9 × 25 = 1000/225 - Add the two like fractions:
810/225 + 1000/225 = 810 + 1000/225 = 1810/225 - 1810/225 simplified gives 362/45
- So, 90/25 + 40/9 = 362/45
In mixed form: 82/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/25+80/9 90/50+40/9 90/25+40/18 90/75+40/9 90/25+40/27 90/25+40/45 90/25+40/63