Add 70/27 and 70/56
1st number: 2 16/27, 2nd number: 1 14/56
70/27 + 70/56 is 415/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 56 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 27 × 56 = 1512,
70/27 = 70 × 56/27 × 56 = 3920/1512 - Likewise, for the 2nd fraction, since 56 × 27 = 1512,
70/56 = 70 × 27/56 × 27 = 1890/1512 - Add the two like fractions:
3920/1512 + 1890/1512 = 3920 + 1890/1512 = 5810/1512 - 5810/1512 simplified gives 415/108
- So, 70/27 + 70/56 = 415/108
In mixed form: 391/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/54+70/56 70/81+70/56