Add 28/24 and 15/45
1st number: 1 4/24, 2nd number: 15/45
28/24 + 15/45 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 24 × 15 = 360,
28/24 = 28 × 15/24 × 15 = 420/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
15/45 = 15 × 8/45 × 8 = 120/360 - Add the two like fractions:
420/360 + 120/360 = 420 + 120/360 = 540/360 - 540/360 simplified gives 3/2
- So, 28/24 + 15/45 = 3/2
In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/24+15/45 28/24+30/45 28/48+15/45 28/24+15/90 84/24+15/45 28/72+15/45 28/24+75/45