Add 28/90 and 4/25
28/90 + 4/25 is 106/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 25 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 25 × 18 = 450,
4/25 = 4 × 18/25 × 18 = 72/450 - Add the two like fractions:
140/450 + 72/450 = 140 + 72/450 = 212/450 - 212/450 simplified gives 106/225
- So, 28/90 + 4/25 = 106/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/90+4/25 28/90+8/25 28/90+4/50 84/90+4/25 28/90+12/25 28/90+4/75 28/90+20/25 28/90+28/25