Add 4/12 and 8/15
4/12 + 8/15 is 13/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
4/12 = 4 × 5/12 × 5 = 20/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
8/15 = 8 × 4/15 × 4 = 32/60 - Add the two like fractions:
20/60 + 32/60 = 20 + 32/60 = 52/60 - 52/60 simplified gives 13/15
- So, 4/12 + 8/15 = 13/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/12+8/15 4/12+16/15 4/24+8/15 4/12+8/30 4/12+24/15 4/36+8/15 4/12+8/45 20/12+8/15 4/12+40/15 4/60+8/15 4/12+8/75 28/12+8/15 4/12+56/15 4/84+8/15