Add 28/90 and 4/50
28/90 + 4/50 is 88/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
28/90 = 28 × 5/90 × 5 = 140/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
4/50 = 4 × 9/50 × 9 = 36/450 - Add the two like fractions:
140/450 + 36/450 = 140 + 36/450 = 176/450 - 176/450 simplified gives 88/225
- So, 28/90 + 4/50 = 88/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/90+4/50 28/90+8/50 84/90+4/50 28/90+12/50 28/90+20/50 28/90+28/50