Add 12/15 and 45/14
1st number: 12/15, 2nd number: 3 3/14
12/15 + 45/14 is 281/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
12/15 = 12 × 14/15 × 14 = 168/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
45/14 = 45 × 15/14 × 15 = 675/210 - Add the two like fractions:
168/210 + 675/210 = 168 + 675/210 = 843/210 - 843/210 simplified gives 281/70
- So, 12/15 + 45/14 = 281/70
In mixed form: 41/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15+45/14 12/15+90/14 12/30+45/14 12/15+45/28 36/15+45/14 12/45+45/14 12/15+45/42 60/15+45/14 12/75+45/14 12/15+45/70 84/15+45/14 12/15+45/98