Add 12/4 and 8/15
1st number: 3 0/4, 2nd number: 8/15
12/4 + 8/15 is 53/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
12/4 = 12 × 15/4 × 15 = 180/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
8/15 = 8 × 4/15 × 4 = 32/60 - Add the two like fractions:
180/60 + 32/60 = 180 + 32/60 = 212/60 - 212/60 simplified gives 53/15
- So, 12/4 + 8/15 = 53/15
In mixed form: 38/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/4+8/15 12/4+16/15 12/8+8/15 12/4+8/30 36/4+8/15 12/4+24/15 12/4+8/45 60/4+8/15 12/4+40/15 12/20+8/15 12/4+8/75 84/4+8/15 12/4+56/15 12/28+8/15