Add 8/20 and 27/7
1st number: 8/20, 2nd number: 3 6/7
8/20 + 27/7 is 149/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 7 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
8/20 = 8 × 7/20 × 7 = 56/140 - Likewise, for the 2nd fraction, since 7 × 20 = 140,
27/7 = 27 × 20/7 × 20 = 540/140 - Add the two like fractions:
56/140 + 540/140 = 56 + 540/140 = 596/140 - 596/140 simplified gives 149/35
- So, 8/20 + 27/7 = 149/35
In mixed form: 49/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/20+27/7 8/20+54/7 8/40+27/7 8/20+27/14 24/20+27/7 8/20+81/7 8/60+27/7 8/20+27/21 40/20+27/7 8/20+27/35 56/20+27/7 8/20+27/49