Add 28/90 and 2/45
28/90 + 2/45 is 16/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
28/90 = 28 × 1/90 × 1 = 28/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
2/45 = 2 × 2/45 × 2 = 4/90 - Add the two like fractions:
28/90 + 4/90 = 28 + 4/90 = 32/90 - 32/90 simplified gives 16/45
- So, 28/90 + 2/45 = 16/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/90+2/45 28/90+4/45 28/90+2/90 84/90+2/45 28/90+6/45 28/90+10/45 28/90+14/45