Add 2/90 and 28/56
2/90 + 28/56 is 47/90.
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,
2/90 = 2 × 28/90 × 28 = 56/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
28/56 = 28 × 45/56 × 45 = 1260/2520 - Add the two like fractions:
56/2520 + 1260/2520 = 56 + 1260/2520 = 1316/2520 - 1316/2520 simplified gives 47/90
- So, 2/90 + 28/56 = 47/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/90+28/56 6/90+28/56 2/90+84/56 10/90+28/56 14/90+28/56