Add 45/14 and 2/12
1st number: 3 3/14, 2nd number: 2/12
45/14 + 2/12 is 71/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
45/14 = 45 × 6/14 × 6 = 270/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
2/12 = 2 × 7/12 × 7 = 14/84 - Add the two like fractions:
270/84 + 14/84 = 270 + 14/84 = 284/84 - 284/84 simplified gives 71/21
- So, 45/14 + 2/12 = 71/21
In mixed form: 38/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14+2/12 45/14+4/12 45/28+2/12 45/14+2/24 45/14+6/12 45/42+2/12 45/14+2/36 45/14+10/12 45/70+2/12 45/14+2/60 45/14+14/12 45/98+2/12 45/14+2/84