Add 75/27 and 84/56
1st number: 2 21/27, 2nd number: 1 28/56
75/27 + 84/56 is 77/18.
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,
75/27 = 75 × 56/27 × 56 = 4200/1512 - Likewise, for the 2nd fraction, since 56 × 27 = 1512,
84/56 = 84 × 27/56 × 27 = 2268/1512 - Add the two like fractions:
4200/1512 + 2268/1512 = 4200 + 2268/1512 = 6468/1512 - 6468/1512 simplified gives 77/18
- So, 75/27 + 84/56 = 77/18
In mixed form: 45/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/54+84/56 75/81+84/56