Add 1/2 and 28/90
1/2 + 28/90 is 73/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
1/2 = 1 × 45/2 × 45 = 45/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
28/90 = 28 × 1/90 × 1 = 28/90 - Add the two like fractions:
45/90 + 28/90 = 45 + 28/90 = 73/90 - So, 1/2 + 28/90 = 73/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 1/2+56/90 1/4+28/90 3/2+28/90 1/2+84/90 1/6+28/90 5/2+28/90 1/10+28/90 7/2+28/90 1/14+28/90