Add 8/12 and 25/7
1st number: 8/12, 2nd number: 3 4/7
8/12 + 25/7 is 89/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
8/12 = 8 × 7/12 × 7 = 56/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
25/7 = 25 × 12/7 × 12 = 300/84 - Add the two like fractions:
56/84 + 300/84 = 56 + 300/84 = 356/84 - 356/84 simplified gives 89/21
- So, 8/12 + 25/7 = 89/21
In mixed form: 45/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/12+25/7 8/12+50/7 8/24+25/7 8/12+25/14 24/12+25/7 8/12+75/7 8/36+25/7 8/12+25/21 40/12+25/7 8/60+25/7 8/12+25/35 56/12+25/7 8/84+25/7 8/12+25/49