Add 75/12 and 9/80
1st number: 6 3/12, 2nd number: 9/80
75/12 + 9/80 is 509/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 12 × 20 = 240,
75/12 = 75 × 20/12 × 20 = 1500/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
9/80 = 9 × 3/80 × 3 = 27/240 - Add the two like fractions:
1500/240 + 27/240 = 1500 + 27/240 = 1527/240 - 1527/240 simplified gives 509/80
- So, 75/12 + 9/80 = 509/80
In mixed form: 629/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/12+18/80 75/24+9/80 75/12+27/80 75/36+9/80 75/12+45/80 75/60+9/80 75/12+63/80 75/84+9/80