Add 98/80 and 5/54
1st number: 1 18/80, 2nd number: 5/54
98/80 + 5/54 is 1423/1080.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 54 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
98/80 = 98 × 27/80 × 27 = 2646/2160 - Likewise, for the 2nd fraction, since 54 × 40 = 2160,
5/54 = 5 × 40/54 × 40 = 200/2160 - Add the two like fractions:
2646/2160 + 200/2160 = 2646 + 200/2160 = 2846/2160 - 2846/2160 simplified gives 1423/1080
- So, 98/80 + 5/54 = 1423/1080
In mixed form: 1343/1080
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/80+10/54 98/80+15/54 98/80+25/54 98/80+35/54