Add 75/5 and 45/80
1st number: 15 0/5, 2nd number: 45/80
75/5 + 45/80 is 249/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
75/5 = 75 × 16/5 × 16 = 1200/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
45/80 = 45 × 1/80 × 1 = 45/80 - Add the two like fractions:
1200/80 + 45/80 = 1200 + 45/80 = 1245/80 - 1245/80 simplified gives 249/16
- So, 75/5 + 45/80 = 249/16
In mixed form: 159/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/5+90/80 75/10+45/80 75/15+45/80 75/25+45/80 75/35+45/80