Add 8/4 and 20/7
1st number: 2 0/4, 2nd number: 2 6/7
8/4 + 20/7 is 34/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
8/4 = 8 × 7/4 × 7 = 56/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
20/7 = 20 × 4/7 × 4 = 80/28 - Add the two like fractions:
56/28 + 80/28 = 56 + 80/28 = 136/28 - 136/28 simplified gives 34/7
- So, 8/4 + 20/7 = 34/7
In mixed form: 46/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/4+20/7 8/4+40/7 8/4+20/14 24/4+20/7 8/4+60/7 8/12+20/7 8/4+20/21 40/4+20/7 8/20+20/7 8/4+20/35 56/4+20/7 8/28+20/7 8/4+20/49