Add 45/8 and 75/80
1st number: 5 5/8, 2nd number: 75/80
45/8 + 75/80 is 105/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 8 × 10 = 80,
45/8 = 45 × 10/8 × 10 = 450/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
75/80 = 75 × 1/80 × 1 = 75/80 - Add the two like fractions:
450/80 + 75/80 = 450 + 75/80 = 525/80 - 525/80 simplified gives 105/16
- So, 45/8 + 75/80 = 105/16
In mixed form: 69/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8+75/80 45/16+75/80 45/24+75/80 45/40+75/80 45/56+75/80