Add 98/27 and 20/40
1st number: 3 17/27, 2nd number: 20/40
98/27 + 20/40 is 223/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 40 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 27 × 40 = 1080,
98/27 = 98 × 40/27 × 40 = 3920/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
20/40 = 20 × 27/40 × 27 = 540/1080 - Add the two like fractions:
3920/1080 + 540/1080 = 3920 + 540/1080 = 4460/1080 - 4460/1080 simplified gives 223/54
- So, 98/27 + 20/40 = 223/54
In mixed form: 47/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/54+20/40 98/27+20/80 98/27+60/40 98/81+20/40