Add 84/8 and 15/45
1st number: 10 4/8, 2nd number: 15/45
84/8 + 15/45 is 65/6.
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,
84/8 = 84 × 45/8 × 45 = 3780/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
15/45 = 15 × 8/45 × 8 = 120/360 - Add the two like fractions:
3780/360 + 120/360 = 3780 + 120/360 = 3900/360 - 3900/360 simplified gives 65/6
- So, 84/8 + 15/45 = 65/6
In mixed form: 105/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/8+30/45 84/16+15/45 84/8+15/90 84/24+15/45 84/8+75/45 84/40+15/45 84/56+15/45