Add 25/90 and 28/56
25/90 + 28/56 is 7/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 90 × 28 = 2520,
25/90 = 25 × 28/90 × 28 = 700/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
28/56 = 28 × 45/56 × 45 = 1260/2520 - Add the two like fractions:
700/2520 + 1260/2520 = 700 + 1260/2520 = 1960/2520 - 1960/2520 simplified gives 7/9
- So, 25/90 + 28/56 = 7/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/90+28/56 75/90+28/56 25/90+84/56