Add 28/8 and 1/45
1st number: 3 4/8, 2nd number: 1/45
28/8 + 1/45 is 317/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 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 45 × 8 = 360,
1/45 = 1 × 8/45 × 8 = 8/360 - Add the two like fractions:
1260/360 + 8/360 = 1260 + 8/360 = 1268/360 - 1268/360 simplified gives 317/90
- So, 28/8 + 1/45 = 317/90
In mixed form: 347/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8+1/45 28/8+2/45 28/16+1/45 28/8+1/90 84/8+1/45 28/8+3/45 28/24+1/45 28/8+5/45 28/40+1/45 28/8+7/45 28/56+1/45