Add 28/8 and 9/45
1st number: 3 4/8, 2nd number: 9/45
28/8 + 9/45 is 37/10.
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,
9/45 = 9 × 8/45 × 8 = 72/360 - Add the two like fractions:
1260/360 + 72/360 = 1260 + 72/360 = 1332/360 - 1332/360 simplified gives 37/10
- So, 28/8 + 9/45 = 37/10
In mixed form: 37/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8+9/45 28/8+18/45 28/16+9/45 28/8+9/90 84/8+9/45 28/8+27/45 28/24+9/45 28/40+9/45 28/8+63/45 28/56+9/45