Add 12/2 and 45/7
1st number: 6 0/2, 2nd number: 6 3/7
12/2 + 45/7 is 87/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
12/2 = 12 × 7/2 × 7 = 84/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
45/7 = 45 × 2/7 × 2 = 90/14 - Add the two like fractions:
84/14 + 90/14 = 84 + 90/14 = 174/14 - 174/14 simplified gives 87/7
- So, 12/2 + 45/7 = 87/7
In mixed form: 123/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/2+45/7 12/2+90/7 12/4+45/7 12/2+45/14 36/2+45/7 12/6+45/7 12/2+45/21 60/2+45/7 12/10+45/7 12/2+45/35 84/2+45/7 12/14+45/7 12/2+45/49