Add 12/15 and 40/60
12/15 + 40/60 is 22/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
12/15 = 12 × 4/15 × 4 = 48/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
40/60 = 40 × 1/60 × 1 = 40/60 - Add the two like fractions:
48/60 + 40/60 = 48 + 40/60 = 88/60 - 88/60 simplified gives 22/15
- So, 12/15 + 40/60 = 22/15
In mixed form: 17/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15+40/60 12/15+80/60 12/30+40/60 36/15+40/60 12/45+40/60 60/15+40/60 12/75+40/60 84/15+40/60