Add 28/48 and 5/90
28/48 + 5/90 is 23/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
28/48 = 28 × 15/48 × 15 = 420/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
5/90 = 5 × 8/90 × 8 = 40/720 - Add the two like fractions:
420/720 + 40/720 = 420 + 40/720 = 460/720 - 460/720 simplified gives 23/36
- So, 28/48 + 5/90 = 23/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/48+5/90 28/48+10/90 28/96+5/90 84/48+5/90 28/48+15/90 28/48+25/90 28/48+35/90