Add 8/15 and 40/12
1st number: 8/15, 2nd number: 3 4/12
8/15 + 40/12 is 58/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
8/15 = 8 × 4/15 × 4 = 32/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
40/12 = 40 × 5/12 × 5 = 200/60 - Add the two like fractions:
32/60 + 200/60 = 32 + 200/60 = 232/60 - 232/60 simplified gives 58/15
- So, 8/15 + 40/12 = 58/15
In mixed form: 313/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/15+40/12 8/15+80/12 8/30+40/12 8/15+40/24 24/15+40/12 8/45+40/12 8/15+40/36 40/15+40/12 8/75+40/12 8/15+40/60 56/15+40/12 8/15+40/84