Add 90/28 and 4/54
1st number: 3 6/28, 2nd number: 4/54
90/28 + 4/54 is 1243/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
90/28 = 90 × 27/28 × 27 = 2430/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
4/54 = 4 × 14/54 × 14 = 56/756 - Add the two like fractions:
2430/756 + 56/756 = 2430 + 56/756 = 2486/756 - 2486/756 simplified gives 1243/378
- So, 90/28 + 4/54 = 1243/378
In mixed form: 3109/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+8/54 90/56+4/54 90/28+12/54 90/84+4/54 90/28+20/54 90/28+28/54