Add 45/15 and 45/8
1st number: 3 0/15, 2nd number: 5 5/8
45/15 + 45/8 is 69/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
45/15 = 45 × 8/15 × 8 = 360/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
45/8 = 45 × 15/8 × 15 = 675/120 - Add the two like fractions:
360/120 + 675/120 = 360 + 675/120 = 1035/120 - 1035/120 simplified gives 69/8
- So, 45/15 + 45/8 = 69/8
In mixed form: 85/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/15+45/8 45/15+90/8 45/30+45/8 45/15+45/16 45/15+45/24 45/75+45/8 45/15+45/40 45/15+45/56