Add 45/28 and 12/27
1st number: 1 17/28, 2nd number: 12/27
45/28 + 12/27 is 517/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
45/28 = 45 × 27/28 × 27 = 1215/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
12/27 = 12 × 28/27 × 28 = 336/756 - Add the two like fractions:
1215/756 + 336/756 = 1215 + 336/756 = 1551/756 - 1551/756 simplified gives 517/252
- So, 45/28 + 12/27 = 517/252
In mixed form: 213/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+12/27 45/28+24/27 45/56+12/27 45/28+12/54 45/28+36/27 45/84+12/27 45/28+12/81 45/28+60/27 45/28+84/27