Add 40/54 and 45/28
1st number: 40/54, 2nd number: 1 17/28
40/54 + 45/28 is 1775/756.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 54 × 14 = 756,
40/54 = 40 × 14/54 × 14 = 560/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
45/28 = 45 × 27/28 × 27 = 1215/756 - Add the two like fractions:
560/756 + 1215/756 = 560 + 1215/756 = 1775/756 - So, 40/54 + 45/28 = 1775/756
In mixed form: 2263/756
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/54+45/28 40/54+90/28 40/54+45/56 40/54+45/84