Add 40/15 and 9/80
1st number: 2 10/15, 2nd number: 9/80
40/15 + 9/80 is 667/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
40/15 = 40 × 16/15 × 16 = 640/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
9/80 = 9 × 3/80 × 3 = 27/240 - Add the two like fractions:
640/240 + 27/240 = 640 + 27/240 = 667/240 - So, 40/15 + 9/80 = 667/240
In mixed form: 2187/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+9/80 40/15+18/80 40/30+9/80 40/15+27/80 40/45+9/80 40/15+45/80 40/75+9/80 40/15+63/80