Add 80/25 and 98/18
1st number: 3 5/25, 2nd number: 5 8/18
80/25 + 98/18 is 389/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
80/25 = 80 × 18/25 × 18 = 1440/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
98/18 = 98 × 25/18 × 25 = 2450/450 - Add the two like fractions:
1440/450 + 2450/450 = 1440 + 2450/450 = 3890/450 - 3890/450 simplified gives 389/45
- So, 80/25 + 98/18 = 389/45
In mixed form: 829/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/50+98/18 80/25+98/36 80/75+98/18 80/25+98/54 80/25+98/90