Add 84/80 and 70/27
1st number: 1 4/80, 2nd number: 2 16/27
84/80 + 70/27 is 1967/540.
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,
84/80 = 84 × 27/80 × 27 = 2268/2160 - Likewise, for the 2nd fraction, since 27 × 80 = 2160,
70/27 = 70 × 80/27 × 80 = 5600/2160 - Add the two like fractions:
2268/2160 + 5600/2160 = 2268 + 5600/2160 = 7868/2160 - 7868/2160 simplified gives 1967/540
- So, 84/80 + 70/27 = 1967/540
In mixed form: 3347/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/80+70/54 84/80+70/81