Add 90/25 and 28/54
1st number: 3 15/25, 2nd number: 28/54
90/25 + 28/54 is 556/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 54 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 25 × 54 = 1350,
90/25 = 90 × 54/25 × 54 = 4860/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
28/54 = 28 × 25/54 × 25 = 700/1350 - Add the two like fractions:
4860/1350 + 700/1350 = 4860 + 700/1350 = 5560/1350 - 5560/1350 simplified gives 556/135
- So, 90/25 + 28/54 = 556/135
In mixed form: 416/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/25+56/54 90/50+28/54 90/25+84/54 90/75+28/54