Add 70/80 and 70/27
1st number: 70/80, 2nd number: 2 16/27
70/80 + 70/27 is 749/216.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 27 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
70/80 = 70 × 27/80 × 27 = 1890/2160 - Likewise, for the 2nd fraction, since 27 × 80 = 2160,
70/27 = 70 × 80/27 × 80 = 5600/2160 - Add the two like fractions:
1890/2160 + 5600/2160 = 1890 + 5600/2160 = 7490/2160 - 7490/2160 simplified gives 749/216
- So, 70/80 + 70/27 = 749/216
In mixed form: 3101/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/80+70/54 70/80+70/81