Add 8/27 and 70/40
1st number: 8/27, 2nd number: 1 30/40
8/27 + 70/40 is 221/108.
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,
8/27 = 8 × 40/27 × 40 = 320/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
70/40 = 70 × 27/40 × 27 = 1890/1080 - Add the two like fractions:
320/1080 + 1890/1080 = 320 + 1890/1080 = 2210/1080 - 2210/1080 simplified gives 221/108
- So, 8/27 + 70/40 = 221/108
In mixed form: 25/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/27+70/40 8/54+70/40 8/27+70/80 24/27+70/40 8/81+70/40 40/27+70/40 56/27+70/40