Add 20/8 and 70/27
1st number: 2 4/8, 2nd number: 2 16/27
20/8 + 70/27 is 275/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 8 × 27 = 216,
20/8 = 20 × 27/8 × 27 = 540/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
70/27 = 70 × 8/27 × 8 = 560/216 - Add the two like fractions:
540/216 + 560/216 = 540 + 560/216 = 1100/216 - 1100/216 simplified gives 275/54
- So, 20/8 + 70/27 = 275/54
In mixed form: 55/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/8+70/27 20/16+70/27 20/8+70/54 60/8+70/27 20/24+70/27 20/8+70/81 20/40+70/27 20/56+70/27