Add 80/40 and 98/54
1st number: 2 0/40, 2nd number: 1 44/54
80/40 + 98/54 is 103/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 54 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
80/40 = 80 × 27/40 × 27 = 2160/1080 - Likewise, for the 2nd fraction, since 54 × 20 = 1080,
98/54 = 98 × 20/54 × 20 = 1960/1080 - Add the two like fractions:
2160/1080 + 1960/1080 = 2160 + 1960/1080 = 4120/1080 - 4120/1080 simplified gives 103/27
- So, 80/40 + 98/54 = 103/27
In mixed form: 322/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: