Add 28/8 and 4/90
1st number: 3 4/8, 2nd number: 4/90
28/8 + 4/90 is 319/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
28/8 = 28 × 45/8 × 45 = 1260/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
4/90 = 4 × 4/90 × 4 = 16/360 - Add the two like fractions:
1260/360 + 16/360 = 1260 + 16/360 = 1276/360 - 1276/360 simplified gives 319/90
- So, 28/8 + 4/90 = 319/90
In mixed form: 349/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8+4/90 28/8+8/90 28/16+4/90 84/8+4/90 28/8+12/90 28/24+4/90 28/8+20/90 28/40+4/90 28/8+28/90 28/56+4/90