Add 45/14 and 72/12
1st number: 3 3/14, 2nd number: 6 0/12
45/14 + 72/12 is 129/14.
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,
72/12 = 72 × 7/12 × 7 = 504/84 - Add the two like fractions:
270/84 + 504/84 = 270 + 504/84 = 774/84 - 774/84 simplified gives 129/14
- So, 45/14 + 72/12 = 129/14
In mixed form: 93/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14+72/12 45/28+72/12 45/14+72/24 45/42+72/12 45/14+72/36 45/70+72/12 45/14+72/60 45/98+72/12 45/14+72/84