Add 45/27 and 90/56
1st number: 1 18/27, 2nd number: 1 34/56
45/27 + 90/56 is 275/84.
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,
45/27 = 45 × 56/27 × 56 = 2520/1512 - Likewise, for the 2nd fraction, since 56 × 27 = 1512,
90/56 = 90 × 27/56 × 27 = 2430/1512 - Add the two like fractions:
2520/1512 + 2430/1512 = 2520 + 2430/1512 = 4950/1512 - 4950/1512 simplified gives 275/84
- So, 45/27 + 90/56 = 275/84
In mixed form: 323/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/27+90/56 45/54+90/56 45/81+90/56